Definition of exhaust in English:

exhaust

verb ɪɡˈzɔːstɛɡˈzɔːstɪɡˈzɔst

[with object]

1Make (someone) feel very tired.
her day out had exhausted her
一天的出游使她精疲力竭。
Example sentencesExamples
- You didn't have time for the things you really wanted to do, and you were so exhausted from the emotional drain of the season, you let your romance wilt.
- Children with anemia would have difficulties in concentrating, became easily exhausted and experienced general physical weakness.
- At the moment I am lying here absolutely exhausted from the whole mental and physical process of childbirth - I mean the afterbirth was a bit like having another baby.
- It's tiring and exhausting to constantly have to boost an ego due to whatever reason.
- Physically exhausted, emotionally drained and severely dehydrated, Ashby started to hallucinate.
- It was only midday, and he was already exhausted both physically and mentally.
- Many CFS sufferers can barely get out of bed and become exhausted after limited physical activity.
- The war ended soon, our arms tired and our heads exhausted.
- This kind of effort requires such an outpouring of unconditional love that it is exhausting and totally draining.
- It's physically and mentally exhausting, it's thankless, it's long days and late hours and you really have to be on the brink of insanity to enjoy it.
- Emily didn't move, she was physically exhausted; she couldn't even moan in her sleep at being disturbed.
- Rolandon prepared to retort, but his muscles and arms were aching madly and he was exhausted, physically and mentally.
- This audio equivalent of 1000 watts of bright white light shining directly in my eyes, I was physically exhausted from the end of the set.
- But she was exhausted mentally and physically, and was happy to just lie down on the old bed.
- While Henry finds the character easy to understand on an emotional level, she admits she's been finding the play exhausting on a physical level.
- Physically he was exhausted, but he knew even now, before the sun had even finished setting, that he would not sleep this night.
- She collapsed against his chest, exhausted with the mental anguish of arguing with this man.
- I thrash around until I'm physically exhausted and finally fall asleep at about three in the morning.
- As tired as he was, and indeed he was exhausted, he took questions for some time.
- Fans should try and understand that at a competition, when you finally get off the ice, you're exhausted and drained.
Synonyms
tire out, wear out, overtire, overtax, fatigue, weary, tire, drain, run someone into the ground, run someone ragged, enervate, sap, debilitate, prostrate, enfeeble
wear oneself to a shadow
informal do in, take it out of one, wipe out, fag out, knock out, shatter, wear oneself to a frazzle, frazzle, nearly kill
British informal knacker
North American informal poop, tucker out
Australian/New Zealand &amp Irish informal root
tiring, wearying, taxing, fatiguing, wearing, enervating, draining, sapping, debilitating
arduous, strenuous, uphill, onerous, punishing, demanding, exacting, burdensome, gruelling, back-breaking, crushing, crippling
informal killing, murderous, hellish
British informal knackering
rare exigent
2Use up (resources or reserves) completely.
用完，用光，耗尽（资源，储备物）
the country has exhausted its treasury reserves
该国的财源已被耗尽。
Example sentencesExamples
- Our interpretation of these results is that the chorusing generally continues until energy reserves are exhausted.
- South Korea, a US ally, prefers that all other diplomatic options be exhausted before the council takes up the issue.
- They claim the school could be rebuilt on its own land - but Education Leeds says it has exhausted all other options and claims the proposed site is the only chance the school has of being rebuilt.
- Carting the coconuts on his cycle from Mettupalayam, Ramesh says his entire stock is exhausted by 3 p.m.
- When the stock is exhausted, the players continue to play with the cards in their hands.
- Having exhausted their own resources, the Americans would now like BC's resources to help keep US mill workers employed.
- The hospital had exhausted its stock, and the parents had failed to find a suitable donor.
- Only when these options are exhausted would you be entitled to terminate employment.
- If the player exhausting the stock was the original dealer, she finishes her turn and the game is over.
- He proclaimed that the country had exhausted its resources for any sort of upheaval and his rule would focus on the consolidation of the post-Soviet regime.
- His wars and other undertakings exhausted the state's reserves and forced him to look for other sources of income.
- When stars that are more than three times the mass of our Sun finally exhaust their reserves of nuclear fuel they have no means of opposing the inward pull of gravity.
- Some of these payments are simply transfer payments, rather than consuming or exhausting real resources.
- I may have exhausted my store of worthwhile material.
- They adapt very well to an itinerant existence for a few weeks, setting up shop in various places, until they exhaust their stock of goods.
- It is this Ministry which will have its already stretched resources exhausted by treating soldiers and/or civilians hurt and wounded in the process.
- By 1952 an improved grade of ore was encountered, and the lode was mined until 1956, when ore reserves were exhausted.
- I might have exhausted its possibilities by now.
- It reports that its food reserves were exhausted by earthquakes last January and February, and is appealing for international aid.
- Teams which finish third in the SPL tend to exhaust their resources in the process and Livingston will have to demonstrate that they are the exception to the rule.
Synonyms
use up, run through, go through, consume, finish, deplete, expend, spend, dissipate, waste, squander, fritter away
empty, milk, drain, suck dry, impoverish
informal blow, bleed
1. 2.1 Expound on or explore (a subject or options) so fully that there is nothing further to be said or discovered.
  详尽无遗地论述（或探讨）（某一题目或各种选项）
  she seemed to have exhausted all permissible topics of conversation
  她似乎已将能谈的话题都谈了。
  Example sentencesExamples
  This book is composed of columns spanning the better part of a decade, and Richard still has a long way to go before exhausting his chosen subject.
  That their essays do not fully exhaust the subject merely indicates the size of the challenge.
  I'm sure that I have not exhausted the subject with these comments and there are doubtless other considerations worthy of mention.
  The objects on display all combine to describe the epoch but do not claim to exhaust the subject.
  It has occurred to me that I could write about this one for a very long time without exhausting the subject.
  But these discussions hardly exhaust the subject, however much they might have exhausted my readers.
  Nor have these three hours exhausted the rich subject.
  Pieces like Message, The Road Between Four Parts, Ecology, Sanctuary and many others exhaust the topics offered by the theme.
  Yet it is clear that the subject is not exhausted, as the book under review attests.
  Neither book gives the full story on Celebration, but between them they pretty much exhaust a subject that is fairly easily exhausted.
  Synonyms
  say all there is to say about, leave nothing left to say about, do to death
  treat thoroughly, develop completely, expound in great detail about, study in great detail, research completely, leave no stone left unturned, go over with a fine-tooth comb
3Expel (gas or steam) from or into a particular place.
排放，排出（气体，蒸汽）
you should never exhaust bathroom air into your attic
Example sentencesExamples
- During and after installation, use window fans and room air conditioners to exhaust fumes to the outdoors.
- Most newer cryosurgical units are equipped with a scavenging port from which the gas is exhausted.
- Heated air was exhausted through the car's rear bumper, via a thermostat-controlled flap.
- Cars were as old fashioned as buggies and hovering crafts that ran off of air and exhausted pure steam were used instead.
- There are two 80 mm fan mounts, one of which has a provided fan already mounted to exhaust hot air from around the CPU and video card area inside the case.
- All three fans are configured to exhaust the air through the top of the unit.
- The fireplace in use exhausts household air until a negative pressure situation exists.
- Just above these connections is the grill plate used by the cooler to exhaust the warm air.
- Substantially clean air is exhausted from the top of SU2.
- As outlined in the specifications, there is a 120 mm fan that is configured to exhaust air to the rear of the case and out.
- Radiant cooling in the floor slab helps lower the room temperature more before the air is exhausted into an atrium space.
- Now while this sounds like a good thing, since you are pretty much going to be exhausting the hot air directly out the back of the case, it does leave little room to mount the second fan.
- Heated air is exhausted through two grills front & rear.
- At the rear of the case, near the area the CPU will likely be located, we have a 120 mm fan for exhausting the warm air from the case.
- The fan is configured to exhaust air from the top, which in theory, should work pretty well.
- Because this is an extraction fan to exhaust the hot air from inside the central core, I glued a large metal washer to the rotor hub to hide the green PCB inside.
- Here the compound was at a disadvantage, fitted as it was with four sets of slide valves which did not exhaust the steam nearly as freely.
- Time to look at the rear fans: they will exhaust the air out of the case.
- But the red and blue funnels are practical: the blue ducts take in fresh air, and the red ones exhaust used air.
- A number of cooling fans mounted at one end of the cooler would draw air into the chamber through filters, blow it over the surface of the product and exhaust the air at the exit end.

noun ɪɡˈzɔːstɛɡˈzɔːstɪɡˈzɔst

mass noun

1Waste gases or air expelled from an engine, turbine, or other machine in the course of its operation.
（排出的）废气
buses spewing out black clouds of exhaust
喷着团团黑色浓烟的公共汽车。
as modifier exhaust fumes
Example sentencesExamples
- Seconds later, the squad and two larger rigs were gone in a flurry of sirens, growling engines and diesel exhaust.
- He later learned that exhaust gases were leaking into the cabin of his car.
- Particulate matter of diesel engine exhaust from four different fuels was studied for content of polynuclear aromatic compounds and mutagenic effects.
- Duraisamy, a farmer who was unhappy that food went cold by the time his wife brought it from home, used the heat wasted through the exhaust of pump engine to reheat the food.
- The noise of the engines was deafening as they belched thick black clouds of diesel exhaust.
- Buses with gasoline and diesel engines produce tons of exhaust gas every day containing many poisonous elements including carbon monoxide and lead.
- Despite extensive warnings and media coverage throughout the year, carbon monoxide in exhaust from boat engines found new ways to take lives this summer.
- Designed with smokeless exhaust diesel engines aided by gas turbines, air pollution is kept minimal.
- Temperatures were more than 50C - the combination of engine exhaust, direct sunlight and radiated heat from the tarmac.
- Nonetheless, the plane's surface will always be hotter than background levels, and exhaust gases cannot be entirely cooled.
- The bigger lungs on the intake side and the freer-flowing exhaust help the engine rev even faster.
- Used against helicopters and low flying fixed-wing jets, it homes in on the heat given off by the target aircraft's engine exhaust.
- The efficiency of the engine has been improved, by a fundamental redesign of the way air and fuel are pulled into the combustion chamber, and the way that exhaust gases are ported out.
- The engine is mounted on the top surface of the rear fuselage section with the engine exhaust between the V-shaped tail wings.
- The generator's owner, a frail old Korean man, was warming his hands in the buzzing machine's exhaust.
- It doesn't even have the smell of engine exhaust.
- With the holes in the floor more or less closed up all the cold draft is replaced by warm engine air and exhaust.
- As the aircraft gained altitude, the turbosupercharger would begin to function, taking exhaust gases from the engine to the turbine via the tubing.
- They are designed to be triggered from a tube-like, disposable launcher and to follow the heat of a jet engine's exhaust to its source.
- The researchers released a tracer gas into the engine exhaust and measured concentrations of that gas inside the buses.
Synonyms
smoke, vapour, gas, exhalation, exhaust, effluvium, pollution
1. 1.1count noun The system through which exhaust gases are expelled.
  排气系统
  as modifier an exhaust pipe
  Example sentencesExamples
  The layout of the exhausts is fundamentally different to that of the previous car, eliminating the aerodynamic profile which characterised the rear section, which is now almost entirely integrated within the bodywork.
  Though the cars themselves are nothing special, the 3m vertical exhausts pipes are surely worthy of documentation.
  Particle diameters < 300 nm dominate the mass distribution of both gasoline and diesel emissions, but the gasoline particle diameters are on average smaller than particles found in diesel exhausts.
  The categories will be extended next year to include faulty windscreen wipers and washers; damaged registration plates; noisy exhausts and transmission.
  There are two types of exhausts system: the Dual Exhaust System (also twin exhaust system) and the Emission Control System.
  Like the first GTI from 1976, the new model has a distinctive black grille with red accent lines, bigger wheels and twin exhausts.
  Most of the nitrogen oxide pollution in Australian and New Zealand cities comes from motor vehicle exhausts in summer and a combination of motor vehicle exhausts and home heating in winter.
  They can regain power, and efficiency, by adding valves (three or four per cylinder) and camshafts: one per bank for intakes, another for exhausts.
  Ford has flared the wheel arches, given it a handsome front grille, twin steel exhausts and a subtle boot spoiler.
  Under the cover of darkness, exotic sports cars come alive with red-hot glowing brakes, flaming exhausts and sparks from contact as drivers battle both the elements and other drivers.
  Lung cancer has become the most common cause of cancer deaths due to increased tobacco habit and environmental pollutants especially automobile exhausts.
  It has twin exhausts, big wheels, a spoiler, frog-style foglights and a turbocharged 2 litre engine that kicks out 225 bhp.
  About all you needed then were bigger engines with bigger carburetors and bigger exhausts.
  Stay away from the direct exhausts, especially with diesel engines
  The scope of the certification includes design, development, production and installation of exhausts, engines, transmissions, electronics and safety equipment for the automotive industry.
  Millions of tonnes are spewed out of vehicle exhausts and power station smokestacks every year, as well as being released from the soil when fields are ploughed.
  Brakes, exhausts and suspension need to be replaced when they show signs of tiredness.
  So now you don't need customised exhausts, the stock system is plenty good enough as it should be in a car of this category.
  In diesel exhaust they have very rich oxides of nitrogen, and what that does is it nitrates the PAHs, which makes them more toxic than the ones that have come out of motor vehicle exhausts.
  Dual exhausts, with cutouts in the bumper to accommodate them on the V6, are more often found on performance cars.

Derivatives

exhauster

noun ɛɡˈzɔːstəɪɡˈzɔːstəɪɡˈzɔstər

Once the gasket is in place, the system conveys the exhausters to a 22 - Ft oven with infrared heat for curing the material.
Example sentencesExamples
- The air exhausters are used to vent the air displaced by airbag deployment and to contribute to cabin air.

exhaustibility

noun ɪɡzɔːstəˈbɪlɪtiɛɡzɔːstəˈbɪlɪtiɪɡˌzɔstəˈbɪlədi

exhaustible

adjective ɛɡˈzɔːstəb(ə)lɪɡˈzɔːstəb(ə)lɪɡˈzɔstəb(ə)l

The self-regenerating potential of skin is exhaustible, and after several sunburns premature aging of the skin occurs.
Example sentencesExamples
- An archive is neither exhaustible, nor fully recoverable, nor positively finite, and archeology is the method of history that conceives its data in terms of the archive.
- Wind power is championed by green groups because it is a non-exhaustible source of energy that causes minimal pollution.
- In contrast to other sources of nitrogen, such as guano and South American sodium nitrate, which were exhaustible, there is an inexhaustible supply of nitrogen in the air.
- Where, in the case of certain exhaustible natural resources, conservation is a prime desideratum, the benefit principle could be implemented through a severance tax in lieu of at least part of the land value tax.

Origin

Mid 16th century (in the sense 'draw off or out'): from Latin exhaust- 'drained out', from the verb exhaurire, from ex- 'out' + haurire 'draw (water), drain'.

First used in the general sense ‘draw off or out’, exhaust is from Latin exhaurire ‘drain out’.

Rhymes

under-resourced, unforced

Definition of exhaust in US English:

exhaust

verbɪɡˈzɔstiɡˈzôst

[with object]

1Drain (someone) of their physical or mental resources; tire out.
使精疲力竭
her day trip had exhausted her
一天的出游使她精疲力竭。
Example sentencesExamples
- But she was exhausted mentally and physically, and was happy to just lie down on the old bed.
- The war ended soon, our arms tired and our heads exhausted.
- You didn't have time for the things you really wanted to do, and you were so exhausted from the emotional drain of the season, you let your romance wilt.
- This kind of effort requires such an outpouring of unconditional love that it is exhausting and totally draining.
- Fans should try and understand that at a competition, when you finally get off the ice, you're exhausted and drained.
- While Henry finds the character easy to understand on an emotional level, she admits she's been finding the play exhausting on a physical level.
- It's tiring and exhausting to constantly have to boost an ego due to whatever reason.
- Emily didn't move, she was physically exhausted; she couldn't even moan in her sleep at being disturbed.
- Children with anemia would have difficulties in concentrating, became easily exhausted and experienced general physical weakness.
- She collapsed against his chest, exhausted with the mental anguish of arguing with this man.
- I thrash around until I'm physically exhausted and finally fall asleep at about three in the morning.
- This audio equivalent of 1000 watts of bright white light shining directly in my eyes, I was physically exhausted from the end of the set.
- Many CFS sufferers can barely get out of bed and become exhausted after limited physical activity.
- Physically exhausted, emotionally drained and severely dehydrated, Ashby started to hallucinate.
- Rolandon prepared to retort, but his muscles and arms were aching madly and he was exhausted, physically and mentally.
- As tired as he was, and indeed he was exhausted, he took questions for some time.
- Physically he was exhausted, but he knew even now, before the sun had even finished setting, that he would not sleep this night.
- It's physically and mentally exhausting, it's thankless, it's long days and late hours and you really have to be on the brink of insanity to enjoy it.
- It was only midday, and he was already exhausted both physically and mentally.
- At the moment I am lying here absolutely exhausted from the whole mental and physical process of childbirth - I mean the afterbirth was a bit like having another baby.
Synonyms
tire out, wear out, overtire, overtax, fatigue, weary, tire, drain, run someone into the ground, run someone ragged, enervate, sap, debilitate, prostrate, enfeeble
tiring, wearying, taxing, fatiguing, wearing, enervating, draining, sapping, debilitating
2Use up (resources or reserves) completely.
用完，用光，耗尽（资源，储备物）
the country has exhausted its treasury reserves
该国的财源已被耗尽。
Example sentencesExamples
- Carting the coconuts on his cycle from Mettupalayam, Ramesh says his entire stock is exhausted by 3 p.m.
- It reports that its food reserves were exhausted by earthquakes last January and February, and is appealing for international aid.
- If the player exhausting the stock was the original dealer, she finishes her turn and the game is over.
- It is this Ministry which will have its already stretched resources exhausted by treating soldiers and/or civilians hurt and wounded in the process.
- I might have exhausted its possibilities by now.
- Some of these payments are simply transfer payments, rather than consuming or exhausting real resources.
- Teams which finish third in the SPL tend to exhaust their resources in the process and Livingston will have to demonstrate that they are the exception to the rule.
- Our interpretation of these results is that the chorusing generally continues until energy reserves are exhausted.
- Only when these options are exhausted would you be entitled to terminate employment.
- The hospital had exhausted its stock, and the parents had failed to find a suitable donor.
- He proclaimed that the country had exhausted its resources for any sort of upheaval and his rule would focus on the consolidation of the post-Soviet regime.
- Having exhausted their own resources, the Americans would now like BC's resources to help keep US mill workers employed.
- I may have exhausted my store of worthwhile material.
- When stars that are more than three times the mass of our Sun finally exhaust their reserves of nuclear fuel they have no means of opposing the inward pull of gravity.
- They adapt very well to an itinerant existence for a few weeks, setting up shop in various places, until they exhaust their stock of goods.
- They claim the school could be rebuilt on its own land - but Education Leeds says it has exhausted all other options and claims the proposed site is the only chance the school has of being rebuilt.
- His wars and other undertakings exhausted the state's reserves and forced him to look for other sources of income.
- By 1952 an improved grade of ore was encountered, and the lode was mined until 1956, when ore reserves were exhausted.
- When the stock is exhausted, the players continue to play with the cards in their hands.
- South Korea, a US ally, prefers that all other diplomatic options be exhausted before the council takes up the issue.
Synonyms
use up, run through, go through, consume, finish, deplete, expend, spend, dissipate, waste, squander, fritter away
1. 2.1 Expound on, write about, or explore (a subject or options) so fully that there is nothing further to be said or discovered.
  详尽无遗地论述（或探讨）（某一题目或各种选项）
  she seemed to have exhausted all permissible topics of conversation
  她似乎已将能谈的话题都谈了。
  Example sentencesExamples
  Neither book gives the full story on Celebration, but between them they pretty much exhaust a subject that is fairly easily exhausted.
  But these discussions hardly exhaust the subject, however much they might have exhausted my readers.
  That their essays do not fully exhaust the subject merely indicates the size of the challenge.
  This book is composed of columns spanning the better part of a decade, and Richard still has a long way to go before exhausting his chosen subject.
  Yet it is clear that the subject is not exhausted, as the book under review attests.
  Pieces like Message, The Road Between Four Parts, Ecology, Sanctuary and many others exhaust the topics offered by the theme.
  I'm sure that I have not exhausted the subject with these comments and there are doubtless other considerations worthy of mention.
  It has occurred to me that I could write about this one for a very long time without exhausting the subject.
  The objects on display all combine to describe the epoch but do not claim to exhaust the subject.
  Nor have these three hours exhausted the rich subject.
  Synonyms
  say all there is to say about, leave nothing left to say about, do to death
3Expel (gas or steam) from or into a particular place.
排放，排出（气体，蒸汽）
Example sentencesExamples
- A number of cooling fans mounted at one end of the cooler would draw air into the chamber through filters, blow it over the surface of the product and exhaust the air at the exit end.
- During and after installation, use window fans and room air conditioners to exhaust fumes to the outdoors.
- The fan is configured to exhaust air from the top, which in theory, should work pretty well.
- Here the compound was at a disadvantage, fitted as it was with four sets of slide valves which did not exhaust the steam nearly as freely.
- Just above these connections is the grill plate used by the cooler to exhaust the warm air.
- As outlined in the specifications, there is a 120 mm fan that is configured to exhaust air to the rear of the case and out.
- Time to look at the rear fans: they will exhaust the air out of the case.
- Heated air is exhausted through two grills front & rear.
- Substantially clean air is exhausted from the top of SU2.
- But the red and blue funnels are practical: the blue ducts take in fresh air, and the red ones exhaust used air.
- At the rear of the case, near the area the CPU will likely be located, we have a 120 mm fan for exhausting the warm air from the case.
- Radiant cooling in the floor slab helps lower the room temperature more before the air is exhausted into an atrium space.
- There are two 80 mm fan mounts, one of which has a provided fan already mounted to exhaust hot air from around the CPU and video card area inside the case.
- All three fans are configured to exhaust the air through the top of the unit.
- The fireplace in use exhausts household air until a negative pressure situation exists.
- Most newer cryosurgical units are equipped with a scavenging port from which the gas is exhausted.
- Now while this sounds like a good thing, since you are pretty much going to be exhausting the hot air directly out the back of the case, it does leave little room to mount the second fan.
- Heated air was exhausted through the car's rear bumper, via a thermostat-controlled flap.
- Because this is an extraction fan to exhaust the hot air from inside the central core, I glued a large metal washer to the rotor hub to hide the green PCB inside.
- Cars were as old fashioned as buggies and hovering crafts that ran off of air and exhausted pure steam were used instead.

nounɪɡˈzɔstiɡˈzôst

1Waste gases or air expelled from an engine, turbine, or other machine in the course of its operation.
（排出的）废气
buses spewing out black clouds of exhaust
喷着团团黑色浓烟的公共汽车。
as modifier exhaust fumes
Example sentencesExamples
- As the aircraft gained altitude, the turbosupercharger would begin to function, taking exhaust gases from the engine to the turbine via the tubing.
- Despite extensive warnings and media coverage throughout the year, carbon monoxide in exhaust from boat engines found new ways to take lives this summer.
- Nonetheless, the plane's surface will always be hotter than background levels, and exhaust gases cannot be entirely cooled.
- The bigger lungs on the intake side and the freer-flowing exhaust help the engine rev even faster.
- The generator's owner, a frail old Korean man, was warming his hands in the buzzing machine's exhaust.
- Duraisamy, a farmer who was unhappy that food went cold by the time his wife brought it from home, used the heat wasted through the exhaust of pump engine to reheat the food.
- With the holes in the floor more or less closed up all the cold draft is replaced by warm engine air and exhaust.
- The engine is mounted on the top surface of the rear fuselage section with the engine exhaust between the V-shaped tail wings.
- Seconds later, the squad and two larger rigs were gone in a flurry of sirens, growling engines and diesel exhaust.
- Particulate matter of diesel engine exhaust from four different fuels was studied for content of polynuclear aromatic compounds and mutagenic effects.
- They are designed to be triggered from a tube-like, disposable launcher and to follow the heat of a jet engine's exhaust to its source.
- It doesn't even have the smell of engine exhaust.
- Buses with gasoline and diesel engines produce tons of exhaust gas every day containing many poisonous elements including carbon monoxide and lead.
- The noise of the engines was deafening as they belched thick black clouds of diesel exhaust.
- Temperatures were more than 50C - the combination of engine exhaust, direct sunlight and radiated heat from the tarmac.
- Used against helicopters and low flying fixed-wing jets, it homes in on the heat given off by the target aircraft's engine exhaust.
- The researchers released a tracer gas into the engine exhaust and measured concentrations of that gas inside the buses.
- He later learned that exhaust gases were leaking into the cabin of his car.
- Designed with smokeless exhaust diesel engines aided by gas turbines, air pollution is kept minimal.
- The efficiency of the engine has been improved, by a fundamental redesign of the way air and fuel are pulled into the combustion chamber, and the way that exhaust gases are ported out.
Synonyms
smoke, vapour, gas, exhalation, exhaust, effluvium, pollution
1. 1.1 The system through which waste gases are expelled.
  排气系统
  as modifier an exhaust pipe
  Example sentencesExamples
  It has twin exhausts, big wheels, a spoiler, frog-style foglights and a turbocharged 2 litre engine that kicks out 225 bhp.
  The scope of the certification includes design, development, production and installation of exhausts, engines, transmissions, electronics and safety equipment for the automotive industry.
  Ford has flared the wheel arches, given it a handsome front grille, twin steel exhausts and a subtle boot spoiler.
  Lung cancer has become the most common cause of cancer deaths due to increased tobacco habit and environmental pollutants especially automobile exhausts.
  About all you needed then were bigger engines with bigger carburetors and bigger exhausts.
  Most of the nitrogen oxide pollution in Australian and New Zealand cities comes from motor vehicle exhausts in summer and a combination of motor vehicle exhausts and home heating in winter.
  Brakes, exhausts and suspension need to be replaced when they show signs of tiredness.
  Stay away from the direct exhausts, especially with diesel engines
  Like the first GTI from 1976, the new model has a distinctive black grille with red accent lines, bigger wheels and twin exhausts.
  So now you don't need customised exhausts, the stock system is plenty good enough as it should be in a car of this category.
  Dual exhausts, with cutouts in the bumper to accommodate them on the V6, are more often found on performance cars.
  The categories will be extended next year to include faulty windscreen wipers and washers; damaged registration plates; noisy exhausts and transmission.
  In diesel exhaust they have very rich oxides of nitrogen, and what that does is it nitrates the PAHs, which makes them more toxic than the ones that have come out of motor vehicle exhausts.
  There are two types of exhausts system: the Dual Exhaust System (also twin exhaust system) and the Emission Control System.
  Though the cars themselves are nothing special, the 3m vertical exhausts pipes are surely worthy of documentation.
  The layout of the exhausts is fundamentally different to that of the previous car, eliminating the aerodynamic profile which characterised the rear section, which is now almost entirely integrated within the bodywork.
  They can regain power, and efficiency, by adding valves (three or four per cylinder) and camshafts: one per bank for intakes, another for exhausts.
  Particle diameters < 300 nm dominate the mass distribution of both gasoline and diesel emissions, but the gasoline particle diameters are on average smaller than particles found in diesel exhausts.
  Under the cover of darkness, exotic sports cars come alive with red-hot glowing brakes, flaming exhausts and sparks from contact as drivers battle both the elements and other drivers.
  Millions of tonnes are spewed out of vehicle exhausts and power station smokestacks every year, as well as being released from the soil when fields are ploughed.

Origin

Mid 16th century (in the sense ‘draw off or out’): from Latin exhaust- ‘drained out’, from the verb exhaurire, from ex- ‘out’ + haurire ‘draw (water), drain’.

词汇	exhaust
释义	Definition of exhaust in English: exhaust verb ɪɡˈzɔːstɛɡˈzɔːstɪɡˈzɔst [with object] 1Make (someone) feel very tired. her day out had exhausted her 一天的出游使她精疲力竭。 Example sentencesExamples You didn't have time for the things you really wanted to do, and you were so exhausted from the emotional drain of the season, you let your romance wilt. Children with anemia would have difficulties in concentrating, became easily exhausted and experienced general physical weakness. At the moment I am lying here absolutely exhausted from the whole mental and physical process of childbirth - I mean the afterbirth was a bit like having another baby. It's tiring and exhausting to constantly have to boost an ego due to whatever reason. Physically exhausted, emotionally drained and severely dehydrated, Ashby started to hallucinate. It was only midday, and he was already exhausted both physically and mentally. Many CFS sufferers can barely get out of bed and become exhausted after limited physical activity. The war ended soon, our arms tired and our heads exhausted. This kind of effort requires such an outpouring of unconditional love that it is exhausting and totally draining. It's physically and mentally exhausting, it's thankless, it's long days and late hours and you really have to be on the brink of insanity to enjoy it. Emily didn't move, she was physically exhausted; she couldn't even moan in her sleep at being disturbed. Rolandon prepared to retort, but his muscles and arms were aching madly and he was exhausted, physically and mentally. This audio equivalent of 1000 watts of bright white light shining directly in my eyes, I was physically exhausted from the end of the set. But she was exhausted mentally and physically, and was happy to just lie down on the old bed. While Henry finds the character easy to understand on an emotional level, she admits she's been finding the play exhausting on a physical level. Physically he was exhausted, but he knew even now, before the sun had even finished setting, that he would not sleep this night. She collapsed against his chest, exhausted with the mental anguish of arguing with this man. I thrash around until I'm physically exhausted and finally fall asleep at about three in the morning. As tired as he was, and indeed he was exhausted, he took questions for some time. Fans should try and understand that at a competition, when you finally get off the ice, you're exhausted and drained. Synonyms tire out, wear out, overtire, overtax, fatigue, weary, tire, drain, run someone into the ground, run someone ragged, enervate, sap, debilitate, prostrate, enfeeble wear oneself to a shadow informal do in, take it out of one, wipe out, fag out, knock out, shatter, wear oneself to a frazzle, frazzle, nearly kill British informal knacker North American informal poop, tucker out Australian/New Zealand &amp Irish informal root tiring, wearying, taxing, fatiguing, wearing, enervating, draining, sapping, debilitating arduous, strenuous, uphill, onerous, punishing, demanding, exacting, burdensome, gruelling, back-breaking, crushing, crippling informal killing, murderous, hellish British informal knackering rare exigent 2Use up (resources or reserves) completely. 用完，用光，耗尽（资源，储备物） the country has exhausted its treasury reserves 该国的财源已被耗尽。 Example sentencesExamples Our interpretation of these results is that the chorusing generally continues until energy reserves are exhausted. South Korea, a US ally, prefers that all other diplomatic options be exhausted before the council takes up the issue. They claim the school could be rebuilt on its own land - but Education Leeds says it has exhausted all other options and claims the proposed site is the only chance the school has of being rebuilt. Carting the coconuts on his cycle from Mettupalayam, Ramesh says his entire stock is exhausted by 3 p.m. When the stock is exhausted, the players continue to play with the cards in their hands. Having exhausted their own resources, the Americans would now like BC's resources to help keep US mill workers employed. The hospital had exhausted its stock, and the parents had failed to find a suitable donor. Only when these options are exhausted would you be entitled to terminate employment. If the player exhausting the stock was the original dealer, she finishes her turn and the game is over. He proclaimed that the country had exhausted its resources for any sort of upheaval and his rule would focus on the consolidation of the post-Soviet regime. His wars and other undertakings exhausted the state's reserves and forced him to look for other sources of income. When stars that are more than three times the mass of our Sun finally exhaust their reserves of nuclear fuel they have no means of opposing the inward pull of gravity. Some of these payments are simply transfer payments, rather than consuming or exhausting real resources. I may have exhausted my store of worthwhile material. They adapt very well to an itinerant existence for a few weeks, setting up shop in various places, until they exhaust their stock of goods. It is this Ministry which will have its already stretched resources exhausted by treating soldiers and/or civilians hurt and wounded in the process. By 1952 an improved grade of ore was encountered, and the lode was mined until 1956, when ore reserves were exhausted. I might have exhausted its possibilities by now. It reports that its food reserves were exhausted by earthquakes last January and February, and is appealing for international aid. Teams which finish third in the SPL tend to exhaust their resources in the process and Livingston will have to demonstrate that they are the exception to the rule. Synonyms use up, run through, go through, consume, finish, deplete, expend, spend, dissipate, waste, squander, fritter away empty, milk, drain, suck dry, impoverish informal blow, bleed 2.1 Expound on or explore (a subject or options) so fully that there is nothing further to be said or discovered. 详尽无遗地论述（或探讨）（某一题目或各种选项） she seemed to have exhausted all permissible topics of conversation 她似乎已将能谈的话题都谈了。 Example sentencesExamples This book is composed of columns spanning the better part of a decade, and Richard still has a long way to go before exhausting his chosen subject. That their essays do not fully exhaust the subject merely indicates the size of the challenge. I'm sure that I have not exhausted the subject with these comments and there are doubtless other considerations worthy of mention. The objects on display all combine to describe the epoch but do not claim to exhaust the subject. It has occurred to me that I could write about this one for a very long time without exhausting the subject. But these discussions hardly exhaust the subject, however much they might have exhausted my readers. Nor have these three hours exhausted the rich subject. Pieces like Message, The Road Between Four Parts, Ecology, Sanctuary and many others exhaust the topics offered by the theme. Yet it is clear that the subject is not exhausted, as the book under review attests. Neither book gives the full story on Celebration, but between them they pretty much exhaust a subject that is fairly easily exhausted. Synonyms say all there is to say about, leave nothing left to say about, do to death treat thoroughly, develop completely, expound in great detail about, study in great detail, research completely, leave no stone left unturned, go over with a fine-tooth comb 3Expel (gas or steam) from or into a particular place. 排放，排出（气体，蒸汽） you should never exhaust bathroom air into your attic Example sentencesExamples During and after installation, use window fans and room air conditioners to exhaust fumes to the outdoors. Most newer cryosurgical units are equipped with a scavenging port from which the gas is exhausted. Heated air was exhausted through the car's rear bumper, via a thermostat-controlled flap. Cars were as old fashioned as buggies and hovering crafts that ran off of air and exhausted pure steam were used instead. There are two 80 mm fan mounts, one of which has a provided fan already mounted to exhaust hot air from around the CPU and video card area inside the case. All three fans are configured to exhaust the air through the top of the unit. The fireplace in use exhausts household air until a negative pressure situation exists. Just above these connections is the grill plate used by the cooler to exhaust the warm air. Substantially clean air is exhausted from the top of SU2. As outlined in the specifications, there is a 120 mm fan that is configured to exhaust air to the rear of the case and out. Radiant cooling in the floor slab helps lower the room temperature more before the air is exhausted into an atrium space. Now while this sounds like a good thing, since you are pretty much going to be exhausting the hot air directly out the back of the case, it does leave little room to mount the second fan. Heated air is exhausted through two grills front & rear. At the rear of the case, near the area the CPU will likely be located, we have a 120 mm fan for exhausting the warm air from the case. The fan is configured to exhaust air from the top, which in theory, should work pretty well. Because this is an extraction fan to exhaust the hot air from inside the central core, I glued a large metal washer to the rotor hub to hide the green PCB inside. Here the compound was at a disadvantage, fitted as it was with four sets of slide valves which did not exhaust the steam nearly as freely. Time to look at the rear fans: they will exhaust the air out of the case. But the red and blue funnels are practical: the blue ducts take in fresh air, and the red ones exhaust used air. A number of cooling fans mounted at one end of the cooler would draw air into the chamber through filters, blow it over the surface of the product and exhaust the air at the exit end. noun ɪɡˈzɔːstɛɡˈzɔːstɪɡˈzɔst mass noun 1Waste gases or air expelled from an engine, turbine, or other machine in the course of its operation. （排出的）废气 buses spewing out black clouds of exhaust 喷着团团黑色浓烟的公共汽车。 as modifier exhaust fumes Example sentencesExamples Seconds later, the squad and two larger rigs were gone in a flurry of sirens, growling engines and diesel exhaust. He later learned that exhaust gases were leaking into the cabin of his car. Particulate matter of diesel engine exhaust from four different fuels was studied for content of polynuclear aromatic compounds and mutagenic effects. Duraisamy, a farmer who was unhappy that food went cold by the time his wife brought it from home, used the heat wasted through the exhaust of pump engine to reheat the food. The noise of the engines was deafening as they belched thick black clouds of diesel exhaust. Buses with gasoline and diesel engines produce tons of exhaust gas every day containing many poisonous elements including carbon monoxide and lead. Despite extensive warnings and media coverage throughout the year, carbon monoxide in exhaust from boat engines found new ways to take lives this summer. Designed with smokeless exhaust diesel engines aided by gas turbines, air pollution is kept minimal. Temperatures were more than 50C - the combination of engine exhaust, direct sunlight and radiated heat from the tarmac. Nonetheless, the plane's surface will always be hotter than background levels, and exhaust gases cannot be entirely cooled. The bigger lungs on the intake side and the freer-flowing exhaust help the engine rev even faster. Used against helicopters and low flying fixed-wing jets, it homes in on the heat given off by the target aircraft's engine exhaust. The efficiency of the engine has been improved, by a fundamental redesign of the way air and fuel are pulled into the combustion chamber, and the way that exhaust gases are ported out. The engine is mounted on the top surface of the rear fuselage section with the engine exhaust between the V-shaped tail wings. The generator's owner, a frail old Korean man, was warming his hands in the buzzing machine's exhaust. It doesn't even have the smell of engine exhaust. With the holes in the floor more or less closed up all the cold draft is replaced by warm engine air and exhaust. As the aircraft gained altitude, the turbosupercharger would begin to function, taking exhaust gases from the engine to the turbine via the tubing. They are designed to be triggered from a tube-like, disposable launcher and to follow the heat of a jet engine's exhaust to its source. The researchers released a tracer gas into the engine exhaust and measured concentrations of that gas inside the buses. Synonyms smoke, vapour, gas, exhalation, exhaust, effluvium, pollution 1.1count noun The system through which exhaust gases are expelled. 排气系统 as modifier an exhaust pipe Example sentencesExamples The layout of the exhausts is fundamentally different to that of the previous car, eliminating the aerodynamic profile which characterised the rear section, which is now almost entirely integrated within the bodywork. Though the cars themselves are nothing special, the 3m vertical exhausts pipes are surely worthy of documentation. Particle diameters < 300 nm dominate the mass distribution of both gasoline and diesel emissions, but the gasoline particle diameters are on average smaller than particles found in diesel exhausts. The categories will be extended next year to include faulty windscreen wipers and washers; damaged registration plates; noisy exhausts and transmission. There are two types of exhausts system: the Dual Exhaust System (also twin exhaust system) and the Emission Control System. Like the first GTI from 1976, the new model has a distinctive black grille with red accent lines, bigger wheels and twin exhausts. Most of the nitrogen oxide pollution in Australian and New Zealand cities comes from motor vehicle exhausts in summer and a combination of motor vehicle exhausts and home heating in winter. They can regain power, and efficiency, by adding valves (three or four per cylinder) and camshafts: one per bank for intakes, another for exhausts. Ford has flared the wheel arches, given it a handsome front grille, twin steel exhausts and a subtle boot spoiler. Under the cover of darkness, exotic sports cars come alive with red-hot glowing brakes, flaming exhausts and sparks from contact as drivers battle both the elements and other drivers. Lung cancer has become the most common cause of cancer deaths due to increased tobacco habit and environmental pollutants especially automobile exhausts. It has twin exhausts, big wheels, a spoiler, frog-style foglights and a turbocharged 2 litre engine that kicks out 225 bhp. About all you needed then were bigger engines with bigger carburetors and bigger exhausts. Stay away from the direct exhausts, especially with diesel engines The scope of the certification includes design, development, production and installation of exhausts, engines, transmissions, electronics and safety equipment for the automotive industry. Millions of tonnes are spewed out of vehicle exhausts and power station smokestacks every year, as well as being released from the soil when fields are ploughed. Brakes, exhausts and suspension need to be replaced when they show signs of tiredness. So now you don't need customised exhausts, the stock system is plenty good enough as it should be in a car of this category. In diesel exhaust they have very rich oxides of nitrogen, and what that does is it nitrates the PAHs, which makes them more toxic than the ones that have come out of motor vehicle exhausts. Dual exhausts, with cutouts in the bumper to accommodate them on the V6, are more often found on performance cars. Derivatives exhauster noun ɛɡˈzɔːstəɪɡˈzɔːstəɪɡˈzɔstər Once the gasket is in place, the system conveys the exhausters to a 22 - Ft oven with infrared heat for curing the material. Example sentencesExamples The air exhausters are used to vent the air displaced by airbag deployment and to contribute to cabin air. exhaustibility noun ɪɡzɔːstəˈbɪlɪtiɛɡzɔːstəˈbɪlɪtiɪɡˌzɔstəˈbɪlədi exhaustible adjective ɛɡˈzɔːstəb(ə)lɪɡˈzɔːstəb(ə)lɪɡˈzɔstəb(ə)l The self-regenerating potential of skin is exhaustible, and after several sunburns premature aging of the skin occurs. Example sentencesExamples An archive is neither exhaustible, nor fully recoverable, nor positively finite, and archeology is the method of history that conceives its data in terms of the archive. Wind power is championed by green groups because it is a non-exhaustible source of energy that causes minimal pollution. In contrast to other sources of nitrogen, such as guano and South American sodium nitrate, which were exhaustible, there is an inexhaustible supply of nitrogen in the air. Where, in the case of certain exhaustible natural resources, conservation is a prime desideratum, the benefit principle could be implemented through a severance tax in lieu of at least part of the land value tax. Origin Mid 16th century (in the sense 'draw off or out'): from Latin exhaust- 'drained out', from the verb exhaurire, from ex- 'out' + haurire 'draw (water), drain'. First used in the general sense ‘draw off or out’, exhaust is from Latin exhaurire ‘drain out’. Rhymes under-resourced, unforced Definition of exhaust in US English: exhaust verbɪɡˈzɔstiɡˈzôst [with object] 1Drain (someone) of their physical or mental resources; tire out. 使精疲力竭 her day trip had exhausted her 一天的出游使她精疲力竭。 Example sentencesExamples But she was exhausted mentally and physically, and was happy to just lie down on the old bed. The war ended soon, our arms tired and our heads exhausted. You didn't have time for the things you really wanted to do, and you were so exhausted from the emotional drain of the season, you let your romance wilt. This kind of effort requires such an outpouring of unconditional love that it is exhausting and totally draining. Fans should try and understand that at a competition, when you finally get off the ice, you're exhausted and drained. While Henry finds the character easy to understand on an emotional level, she admits she's been finding the play exhausting on a physical level. It's tiring and exhausting to constantly have to boost an ego due to whatever reason. Emily didn't move, she was physically exhausted; she couldn't even moan in her sleep at being disturbed. Children with anemia would have difficulties in concentrating, became easily exhausted and experienced general physical weakness. She collapsed against his chest, exhausted with the mental anguish of arguing with this man. I thrash around until I'm physically exhausted and finally fall asleep at about three in the morning. This audio equivalent of 1000 watts of bright white light shining directly in my eyes, I was physically exhausted from the end of the set. Many CFS sufferers can barely get out of bed and become exhausted after limited physical activity. Physically exhausted, emotionally drained and severely dehydrated, Ashby started to hallucinate. Rolandon prepared to retort, but his muscles and arms were aching madly and he was exhausted, physically and mentally. As tired as he was, and indeed he was exhausted, he took questions for some time. Physically he was exhausted, but he knew even now, before the sun had even finished setting, that he would not sleep this night. It's physically and mentally exhausting, it's thankless, it's long days and late hours and you really have to be on the brink of insanity to enjoy it. It was only midday, and he was already exhausted both physically and mentally. At the moment I am lying here absolutely exhausted from the whole mental and physical process of childbirth - I mean the afterbirth was a bit like having another baby. Synonyms tire out, wear out, overtire, overtax, fatigue, weary, tire, drain, run someone into the ground, run someone ragged, enervate, sap, debilitate, prostrate, enfeeble tiring, wearying, taxing, fatiguing, wearing, enervating, draining, sapping, debilitating 2Use up (resources or reserves) completely. 用完，用光，耗尽（资源，储备物） the country has exhausted its treasury reserves 该国的财源已被耗尽。 Example sentencesExamples Carting the coconuts on his cycle from Mettupalayam, Ramesh says his entire stock is exhausted by 3 p.m. It reports that its food reserves were exhausted by earthquakes last January and February, and is appealing for international aid. If the player exhausting the stock was the original dealer, she finishes her turn and the game is over. It is this Ministry which will have its already stretched resources exhausted by treating soldiers and/or civilians hurt and wounded in the process. I might have exhausted its possibilities by now. Some of these payments are simply transfer payments, rather than consuming or exhausting real resources. Teams which finish third in the SPL tend to exhaust their resources in the process and Livingston will have to demonstrate that they are the exception to the rule. Our interpretation of these results is that the chorusing generally continues until energy reserves are exhausted. Only when these options are exhausted would you be entitled to terminate employment. The hospital had exhausted its stock, and the parents had failed to find a suitable donor. He proclaimed that the country had exhausted its resources for any sort of upheaval and his rule would focus on the consolidation of the post-Soviet regime. Having exhausted their own resources, the Americans would now like BC's resources to help keep US mill workers employed. I may have exhausted my store of worthwhile material. When stars that are more than three times the mass of our Sun finally exhaust their reserves of nuclear fuel they have no means of opposing the inward pull of gravity. They adapt very well to an itinerant existence for a few weeks, setting up shop in various places, until they exhaust their stock of goods. They claim the school could be rebuilt on its own land - but Education Leeds says it has exhausted all other options and claims the proposed site is the only chance the school has of being rebuilt. His wars and other undertakings exhausted the state's reserves and forced him to look for other sources of income. By 1952 an improved grade of ore was encountered, and the lode was mined until 1956, when ore reserves were exhausted. When the stock is exhausted, the players continue to play with the cards in their hands. South Korea, a US ally, prefers that all other diplomatic options be exhausted before the council takes up the issue. Synonyms use up, run through, go through, consume, finish, deplete, expend, spend, dissipate, waste, squander, fritter away 2.1 Expound on, write about, or explore (a subject or options) so fully that there is nothing further to be said or discovered. 详尽无遗地论述（或探讨）（某一题目或各种选项） she seemed to have exhausted all permissible topics of conversation 她似乎已将能谈的话题都谈了。 Example sentencesExamples Neither book gives the full story on Celebration, but between them they pretty much exhaust a subject that is fairly easily exhausted. But these discussions hardly exhaust the subject, however much they might have exhausted my readers. That their essays do not fully exhaust the subject merely indicates the size of the challenge. This book is composed of columns spanning the better part of a decade, and Richard still has a long way to go before exhausting his chosen subject. Yet it is clear that the subject is not exhausted, as the book under review attests. Pieces like Message, The Road Between Four Parts, Ecology, Sanctuary and many others exhaust the topics offered by the theme. I'm sure that I have not exhausted the subject with these comments and there are doubtless other considerations worthy of mention. It has occurred to me that I could write about this one for a very long time without exhausting the subject. The objects on display all combine to describe the epoch but do not claim to exhaust the subject. Nor have these three hours exhausted the rich subject. Synonyms say all there is to say about, leave nothing left to say about, do to death 3Expel (gas or steam) from or into a particular place. 排放，排出（气体，蒸汽） Example sentencesExamples A number of cooling fans mounted at one end of the cooler would draw air into the chamber through filters, blow it over the surface of the product and exhaust the air at the exit end. During and after installation, use window fans and room air conditioners to exhaust fumes to the outdoors. The fan is configured to exhaust air from the top, which in theory, should work pretty well. Here the compound was at a disadvantage, fitted as it was with four sets of slide valves which did not exhaust the steam nearly as freely. Just above these connections is the grill plate used by the cooler to exhaust the warm air. As outlined in the specifications, there is a 120 mm fan that is configured to exhaust air to the rear of the case and out. Time to look at the rear fans: they will exhaust the air out of the case. Heated air is exhausted through two grills front & rear. Substantially clean air is exhausted from the top of SU2. But the red and blue funnels are practical: the blue ducts take in fresh air, and the red ones exhaust used air. At the rear of the case, near the area the CPU will likely be located, we have a 120 mm fan for exhausting the warm air from the case. Radiant cooling in the floor slab helps lower the room temperature more before the air is exhausted into an atrium space. There are two 80 mm fan mounts, one of which has a provided fan already mounted to exhaust hot air from around the CPU and video card area inside the case. All three fans are configured to exhaust the air through the top of the unit. The fireplace in use exhausts household air until a negative pressure situation exists. Most newer cryosurgical units are equipped with a scavenging port from which the gas is exhausted. Now while this sounds like a good thing, since you are pretty much going to be exhausting the hot air directly out the back of the case, it does leave little room to mount the second fan. Heated air was exhausted through the car's rear bumper, via a thermostat-controlled flap. Because this is an extraction fan to exhaust the hot air from inside the central core, I glued a large metal washer to the rotor hub to hide the green PCB inside. Cars were as old fashioned as buggies and hovering crafts that ran off of air and exhausted pure steam were used instead. nounɪɡˈzɔstiɡˈzôst 1Waste gases or air expelled from an engine, turbine, or other machine in the course of its operation. （排出的）废气 buses spewing out black clouds of exhaust 喷着团团黑色浓烟的公共汽车。 as modifier exhaust fumes Example sentencesExamples As the aircraft gained altitude, the turbosupercharger would begin to function, taking exhaust gases from the engine to the turbine via the tubing. Despite extensive warnings and media coverage throughout the year, carbon monoxide in exhaust from boat engines found new ways to take lives this summer. Nonetheless, the plane's surface will always be hotter than background levels, and exhaust gases cannot be entirely cooled. The bigger lungs on the intake side and the freer-flowing exhaust help the engine rev even faster. The generator's owner, a frail old Korean man, was warming his hands in the buzzing machine's exhaust. Duraisamy, a farmer who was unhappy that food went cold by the time his wife brought it from home, used the heat wasted through the exhaust of pump engine to reheat the food. With the holes in the floor more or less closed up all the cold draft is replaced by warm engine air and exhaust. The engine is mounted on the top surface of the rear fuselage section with the engine exhaust between the V-shaped tail wings. Seconds later, the squad and two larger rigs were gone in a flurry of sirens, growling engines and diesel exhaust. Particulate matter of diesel engine exhaust from four different fuels was studied for content of polynuclear aromatic compounds and mutagenic effects. They are designed to be triggered from a tube-like, disposable launcher and to follow the heat of a jet engine's exhaust to its source. It doesn't even have the smell of engine exhaust. Buses with gasoline and diesel engines produce tons of exhaust gas every day containing many poisonous elements including carbon monoxide and lead. The noise of the engines was deafening as they belched thick black clouds of diesel exhaust. Temperatures were more than 50C - the combination of engine exhaust, direct sunlight and radiated heat from the tarmac. Used against helicopters and low flying fixed-wing jets, it homes in on the heat given off by the target aircraft's engine exhaust. The researchers released a tracer gas into the engine exhaust and measured concentrations of that gas inside the buses. He later learned that exhaust gases were leaking into the cabin of his car. Designed with smokeless exhaust diesel engines aided by gas turbines, air pollution is kept minimal. The efficiency of the engine has been improved, by a fundamental redesign of the way air and fuel are pulled into the combustion chamber, and the way that exhaust gases are ported out. Synonyms smoke, vapour, gas, exhalation, exhaust, effluvium, pollution 1.1 The system through which waste gases are expelled. 排气系统 as modifier an exhaust pipe Example sentencesExamples It has twin exhausts, big wheels, a spoiler, frog-style foglights and a turbocharged 2 litre engine that kicks out 225 bhp. The scope of the certification includes design, development, production and installation of exhausts, engines, transmissions, electronics and safety equipment for the automotive industry. Ford has flared the wheel arches, given it a handsome front grille, twin steel exhausts and a subtle boot spoiler. Lung cancer has become the most common cause of cancer deaths due to increased tobacco habit and environmental pollutants especially automobile exhausts. About all you needed then were bigger engines with bigger carburetors and bigger exhausts. Most of the nitrogen oxide pollution in Australian and New Zealand cities comes from motor vehicle exhausts in summer and a combination of motor vehicle exhausts and home heating in winter. Brakes, exhausts and suspension need to be replaced when they show signs of tiredness. Stay away from the direct exhausts, especially with diesel engines Like the first GTI from 1976, the new model has a distinctive black grille with red accent lines, bigger wheels and twin exhausts. So now you don't need customised exhausts, the stock system is plenty good enough as it should be in a car of this category. Dual exhausts, with cutouts in the bumper to accommodate them on the V6, are more often found on performance cars. The categories will be extended next year to include faulty windscreen wipers and washers; damaged registration plates; noisy exhausts and transmission. In diesel exhaust they have very rich oxides of nitrogen, and what that does is it nitrates the PAHs, which makes them more toxic than the ones that have come out of motor vehicle exhausts. There are two types of exhausts system: the Dual Exhaust System (also twin exhaust system) and the Emission Control System. Though the cars themselves are nothing special, the 3m vertical exhausts pipes are surely worthy of documentation. The layout of the exhausts is fundamentally different to that of the previous car, eliminating the aerodynamic profile which characterised the rear section, which is now almost entirely integrated within the bodywork. They can regain power, and efficiency, by adding valves (three or four per cylinder) and camshafts: one per bank for intakes, another for exhausts. Particle diameters < 300 nm dominate the mass distribution of both gasoline and diesel emissions, but the gasoline particle diameters are on average smaller than particles found in diesel exhausts. Under the cover of darkness, exotic sports cars come alive with red-hot glowing brakes, flaming exhausts and sparks from contact as drivers battle both the elements and other drivers. Millions of tonnes are spewed out of vehicle exhausts and power station smokestacks every year, as well as being released from the soil when fields are ploughed. Origin Mid 16th century (in the sense ‘draw off or out’): from Latin exhaust- ‘drained out’, from the verb exhaurire, from ex- ‘out’ + haurire ‘draw (water), drain’.
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