Definition of rotor in English:

rotor

noun ˈrəʊtəˈroʊdər

1A hub with a number of radiating aerofoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary wing aircraft.
（为旋转翼飞行器提供升力的）旋翼
Example sentencesExamples
- The aircraft would have launched standing upright like a rocket, but instead of using a blast of fire to take off the pilot would have simply adjusted the thrust and pitch of the rotors as with a helicopter.
- They heard the engine revving and the quickening beat of the rotors.
- He barely dodged a humongous hammer that flew past him and destroyed the main rotor on one of the remaining helicopters.
- Then the sound of rotors is heard, and they look up, only to see the two Serpent helicopters hovering above them.
- The helicopters' rotors started turning, first slowly, then faster and faster, making a loud chopping noise as they cut the air.
- The aircraft featured two large rotors located in nacelles on the ends of its wings linked to an air-cooled Daimler Benz 600 engine in the fuselage.
- With a soft hum of power the large rotors started up and the officers were off, soaring up to investigate the powerless upper levels of the massive city.
- The rotors started to spin up and they hurriedly jumped to the roof a few feet below, ducking to avoid the backwash from the spinning propellers as the copter lifted off the heliport and headed into the night skyline.
- He raised his suntanned right arm to his face and shielded his eyes from the swirling clouds of dirt and dust kicked up by the Dauphin's rotors.
- I could hear the thwapping of helicopter rotors, the grinding of tank treads, the sound of RPG's and bazookas.
- The sound of the helicopter's rumbling rotors became louder, as it flew by directly overhead us, and began hovering over the red smoke.
- Will gave a light two fingered salute to those staying, as the rotors whirred and the chopper left.
- The shot was from a news helicopter and Cecil could hear the thudding of the helicopter rotors in the background as the reporter began to speak.
- They were pretty useless when confronted with the high-pitched whine of the rotor's gears directly above our heads.
- He fired up the engine and the rotors began to whirl.
- As the rotors slowed, a side hatch opened and the Security Chief climbed out, followed by Director Bakan and their respective aides.
- You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you.
- He opened the door and leapt out while the rotors were still spinning and brushed off his clothes.
- He walked up to Blaine just as the helicopter rotors disengaged.
- The helicopter rises up over the ridge line, the noise of the rotors scattering the targets below.
2The rotating assembly in a turbine.
（涡轮机，尤指风轮机的）旋转部件
Example sentencesExamples
- Take away the 2.2 birds killed by the rotors, and the balance for wind energy, + 1707.8 birds per turbine a year, is not bad.
- The rotor turns an attached generator, creating electricity with a simple elegance, carving energy from the sky.
- A fearless reaper, it pivots on its tower to face the wind, propellerlike rotor already scything around, faster and faster.
- To achieve this same increase using a larger rotor is usually a more expensive choice than placing a smaller rotor on a higher tower where it will receive stronger winds.
- Wind plant rotors have either two or three blades.
- The wind generated by the rotors while sitting on the ground is tremendous.
- She had to return to Southampton and have the turbine rotors completely redesigned and rebuilt.
- Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt.
- The higher-wattage plants, with their large-diameter, low-rotation-per-minute rotors, are designed to capture energy from low wind speeds.
- ‘The bigger the rotor, the more wind you can collect,’ Sagrillo explained.
- Standing at the base of one of the towers, there's only a gentle whoosh as the rotors sweep around.
1. 2.1 The armature of an electric motor.
  （电动机的）转子
2. 2.2 The rotating part of the distributor of an internal combustion engine which successively makes and breaks electrical contacts so that each spark plug fires in turn.
  （内燃机配电器的）旋转臂
  Example sentencesExamples
  Unlike a piston engine, where reciprocating parts move up and down, the twin rotors in the Mazda just spin around.
  Rear rotors are vented on the GT and solid on the V - 6.
  I immediately changed the oil, plugs, distributor cap, rotor arm, and a friendly independent specialist fixed the exhaust.
  The heavy impact damaged the rotor arm and though he carried on, Andrew was handicapped by a misfiring engine and could only struggle home sixth.
  After 20 minutes he decided the problem was with the rotor arm, and fashioned some wire underneath it to solve the problem.
  For example, if D hires a car to P and then removes the rotor arm from it rendering it inoperable, he may be guilty of criminal damage.
  This time we had lost the rotor arm as well and Phil had to sprint back 100 yards to find it.
  It might have been tougher for Godfrey had the Cooper S of his competitors not lost nearly 10 minutes right at the start of the Radnor stage with a broken rotor arm.
  While Freestone had a good run on his first experience of the stage, they had a nightmare when a broken rotor arm cost them over two minutes.
  Motorists who failed to immobilise their cars, by taking away the rotor arm from the distributor, were liable to find their tyres deflated by the police.
3. 2.3 The rotating container in a centrifuge.
  （离心机的）旋转器
  Example sentencesExamples
  The Department of Energy rejected the claim that the country was importing aluminum tubes to produce centrifuge rotors for enriching uranium.
  One junior intelligence analyst thought that although they weren't at all like modern American centrifuge rotors, they might be usable in what are known as a Zippe centrifuge.
4. 2.4 The rotary winder of a clockwork watch.
  （机械表的）旋转发条
3Meteorology
A large eddy in which the air circulates about a horizontal axis, especially in the lee of a mountain.
〔气象〕滚轴气团（尤指在山的背风区域绕水平轴线旋转的气团）
as modifier a rotor cloud

Origin

Early 20th century: formed irregularly from rotator.

Rhymes

bloater, boater, Botha, Dakota, doter, emoter, floater, gloater, iota, Kota, Minnesota, motor, promoter, quota, rota, scoter, voter

Definition of rotor in US English:

rotor

nounˈroʊdərˈrōdər

1A hub with a number of radiating airfoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary-wing aircraft.
（为旋转翼飞行器提供升力的）旋翼
Example sentencesExamples
- He barely dodged a humongous hammer that flew past him and destroyed the main rotor on one of the remaining helicopters.
- With a soft hum of power the large rotors started up and the officers were off, soaring up to investigate the powerless upper levels of the massive city.
- He fired up the engine and the rotors began to whirl.
- I could hear the thwapping of helicopter rotors, the grinding of tank treads, the sound of RPG's and bazookas.
- The helicopters' rotors started turning, first slowly, then faster and faster, making a loud chopping noise as they cut the air.
- The aircraft would have launched standing upright like a rocket, but instead of using a blast of fire to take off the pilot would have simply adjusted the thrust and pitch of the rotors as with a helicopter.
- The aircraft featured two large rotors located in nacelles on the ends of its wings linked to an air-cooled Daimler Benz 600 engine in the fuselage.
- The rotors started to spin up and they hurriedly jumped to the roof a few feet below, ducking to avoid the backwash from the spinning propellers as the copter lifted off the heliport and headed into the night skyline.
- They heard the engine revving and the quickening beat of the rotors.
- The helicopter rises up over the ridge line, the noise of the rotors scattering the targets below.
- They were pretty useless when confronted with the high-pitched whine of the rotor's gears directly above our heads.
- He opened the door and leapt out while the rotors were still spinning and brushed off his clothes.
- Then the sound of rotors is heard, and they look up, only to see the two Serpent helicopters hovering above them.
- Will gave a light two fingered salute to those staying, as the rotors whirred and the chopper left.
- The shot was from a news helicopter and Cecil could hear the thudding of the helicopter rotors in the background as the reporter began to speak.
- You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you.
- He walked up to Blaine just as the helicopter rotors disengaged.
- As the rotors slowed, a side hatch opened and the Security Chief climbed out, followed by Director Bakan and their respective aides.
- The sound of the helicopter's rumbling rotors became louder, as it flew by directly overhead us, and began hovering over the red smoke.
- He raised his suntanned right arm to his face and shielded his eyes from the swirling clouds of dirt and dust kicked up by the Dauphin's rotors.
2The rotating assembly in a turbine, especially a wind turbine.
（涡轮机，尤指风轮机的）旋转部件
Example sentencesExamples
- Standing at the base of one of the towers, there's only a gentle whoosh as the rotors sweep around.
- To achieve this same increase using a larger rotor is usually a more expensive choice than placing a smaller rotor on a higher tower where it will receive stronger winds.
- A fearless reaper, it pivots on its tower to face the wind, propellerlike rotor already scything around, faster and faster.
- Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt.
- Take away the 2.2 birds killed by the rotors, and the balance for wind energy, + 1707.8 birds per turbine a year, is not bad.
- ‘The bigger the rotor, the more wind you can collect,’ Sagrillo explained.
- Wind plant rotors have either two or three blades.
- The higher-wattage plants, with their large-diameter, low-rotation-per-minute rotors, are designed to capture energy from low wind speeds.
- The wind generated by the rotors while sitting on the ground is tremendous.
- The rotor turns an attached generator, creating electricity with a simple elegance, carving energy from the sky.
- She had to return to Southampton and have the turbine rotors completely redesigned and rebuilt.
1. 2.1 The armature of an electric motor.
  （电动机的）转子
2. 2.2 The rotating part of the distributor of an internal combustion engine that successively makes and breaks electrical contacts so that each spark plug fires in turn.
  （内燃机配电器的）旋转臂
  Example sentencesExamples
  Unlike a piston engine, where reciprocating parts move up and down, the twin rotors in the Mazda just spin around.
  This time we had lost the rotor arm as well and Phil had to sprint back 100 yards to find it.
  For example, if D hires a car to P and then removes the rotor arm from it rendering it inoperable, he may be guilty of criminal damage.
  Rear rotors are vented on the GT and solid on the V - 6.
  The heavy impact damaged the rotor arm and though he carried on, Andrew was handicapped by a misfiring engine and could only struggle home sixth.
  Motorists who failed to immobilise their cars, by taking away the rotor arm from the distributor, were liable to find their tyres deflated by the police.
  It might have been tougher for Godfrey had the Cooper S of his competitors not lost nearly 10 minutes right at the start of the Radnor stage with a broken rotor arm.
  While Freestone had a good run on his first experience of the stage, they had a nightmare when a broken rotor arm cost them over two minutes.
  I immediately changed the oil, plugs, distributor cap, rotor arm, and a friendly independent specialist fixed the exhaust.
  After 20 minutes he decided the problem was with the rotor arm, and fashioned some wire underneath it to solve the problem.
3. 2.3 The rotating container in a centrifuge.
  （离心机的）旋转器
  Example sentencesExamples
  The Department of Energy rejected the claim that the country was importing aluminum tubes to produce centrifuge rotors for enriching uranium.
  One junior intelligence analyst thought that although they weren't at all like modern American centrifuge rotors, they might be usable in what are known as a Zippe centrifuge.
4. 2.4 The rotary winder of a clockwork watch.
  （机械表的）旋转发条
3Meteorology
A large eddy in which the air circulates around a horizontal axis, especially in the lee of a mountain.
〔气象〕滚轴气团（尤指在山的背风区域绕水平轴线旋转的气团）

Origin

Early 20th century: formed irregularly from rotator.

词汇	rotor
释义	Definition of rotor in English: rotor noun ˈrəʊtəˈroʊdər 1A hub with a number of radiating aerofoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary wing aircraft. （为旋转翼飞行器提供升力的）旋翼 Example sentencesExamples The aircraft would have launched standing upright like a rocket, but instead of using a blast of fire to take off the pilot would have simply adjusted the thrust and pitch of the rotors as with a helicopter. They heard the engine revving and the quickening beat of the rotors. He barely dodged a humongous hammer that flew past him and destroyed the main rotor on one of the remaining helicopters. Then the sound of rotors is heard, and they look up, only to see the two Serpent helicopters hovering above them. The helicopters' rotors started turning, first slowly, then faster and faster, making a loud chopping noise as they cut the air. The aircraft featured two large rotors located in nacelles on the ends of its wings linked to an air-cooled Daimler Benz 600 engine in the fuselage. With a soft hum of power the large rotors started up and the officers were off, soaring up to investigate the powerless upper levels of the massive city. The rotors started to spin up and they hurriedly jumped to the roof a few feet below, ducking to avoid the backwash from the spinning propellers as the copter lifted off the heliport and headed into the night skyline. He raised his suntanned right arm to his face and shielded his eyes from the swirling clouds of dirt and dust kicked up by the Dauphin's rotors. I could hear the thwapping of helicopter rotors, the grinding of tank treads, the sound of RPG's and bazookas. The sound of the helicopter's rumbling rotors became louder, as it flew by directly overhead us, and began hovering over the red smoke. Will gave a light two fingered salute to those staying, as the rotors whirred and the chopper left. The shot was from a news helicopter and Cecil could hear the thudding of the helicopter rotors in the background as the reporter began to speak. They were pretty useless when confronted with the high-pitched whine of the rotor's gears directly above our heads. He fired up the engine and the rotors began to whirl. As the rotors slowed, a side hatch opened and the Security Chief climbed out, followed by Director Bakan and their respective aides. You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you. He opened the door and leapt out while the rotors were still spinning and brushed off his clothes. He walked up to Blaine just as the helicopter rotors disengaged. The helicopter rises up over the ridge line, the noise of the rotors scattering the targets below. 2The rotating assembly in a turbine. （涡轮机，尤指风轮机的）旋转部件 Example sentencesExamples Take away the 2.2 birds killed by the rotors, and the balance for wind energy, + 1707.8 birds per turbine a year, is not bad. The rotor turns an attached generator, creating electricity with a simple elegance, carving energy from the sky. A fearless reaper, it pivots on its tower to face the wind, propellerlike rotor already scything around, faster and faster. To achieve this same increase using a larger rotor is usually a more expensive choice than placing a smaller rotor on a higher tower where it will receive stronger winds. Wind plant rotors have either two or three blades. The wind generated by the rotors while sitting on the ground is tremendous. She had to return to Southampton and have the turbine rotors completely redesigned and rebuilt. Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt. The higher-wattage plants, with their large-diameter, low-rotation-per-minute rotors, are designed to capture energy from low wind speeds. ‘The bigger the rotor, the more wind you can collect,’ Sagrillo explained. Standing at the base of one of the towers, there's only a gentle whoosh as the rotors sweep around. 2.1 The armature of an electric motor. （电动机的）转子 2.2 The rotating part of the distributor of an internal combustion engine which successively makes and breaks electrical contacts so that each spark plug fires in turn. （内燃机配电器的）旋转臂 Example sentencesExamples Unlike a piston engine, where reciprocating parts move up and down, the twin rotors in the Mazda just spin around. Rear rotors are vented on the GT and solid on the V - 6. I immediately changed the oil, plugs, distributor cap, rotor arm, and a friendly independent specialist fixed the exhaust. The heavy impact damaged the rotor arm and though he carried on, Andrew was handicapped by a misfiring engine and could only struggle home sixth. After 20 minutes he decided the problem was with the rotor arm, and fashioned some wire underneath it to solve the problem. For example, if D hires a car to P and then removes the rotor arm from it rendering it inoperable, he may be guilty of criminal damage. This time we had lost the rotor arm as well and Phil had to sprint back 100 yards to find it. It might have been tougher for Godfrey had the Cooper S of his competitors not lost nearly 10 minutes right at the start of the Radnor stage with a broken rotor arm. While Freestone had a good run on his first experience of the stage, they had a nightmare when a broken rotor arm cost them over two minutes. Motorists who failed to immobilise their cars, by taking away the rotor arm from the distributor, were liable to find their tyres deflated by the police. 2.3 The rotating container in a centrifuge. （离心机的）旋转器 Example sentencesExamples The Department of Energy rejected the claim that the country was importing aluminum tubes to produce centrifuge rotors for enriching uranium. One junior intelligence analyst thought that although they weren't at all like modern American centrifuge rotors, they might be usable in what are known as a Zippe centrifuge. 2.4 The rotary winder of a clockwork watch. （机械表的）旋转发条 3Meteorology A large eddy in which the air circulates about a horizontal axis, especially in the lee of a mountain. 〔气象〕滚轴气团（尤指在山的背风区域绕水平轴线旋转的气团） as modifier a rotor cloud Origin Early 20th century: formed irregularly from rotator. Rhymes bloater, boater, Botha, Dakota, doter, emoter, floater, gloater, iota, Kota, Minnesota, motor, promoter, quota, rota, scoter, voter Definition of rotor in US English: rotor nounˈroʊdərˈrōdər 1A hub with a number of radiating airfoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary-wing aircraft. （为旋转翼飞行器提供升力的）旋翼 Example sentencesExamples He barely dodged a humongous hammer that flew past him and destroyed the main rotor on one of the remaining helicopters. With a soft hum of power the large rotors started up and the officers were off, soaring up to investigate the powerless upper levels of the massive city. He fired up the engine and the rotors began to whirl. I could hear the thwapping of helicopter rotors, the grinding of tank treads, the sound of RPG's and bazookas. The helicopters' rotors started turning, first slowly, then faster and faster, making a loud chopping noise as they cut the air. The aircraft would have launched standing upright like a rocket, but instead of using a blast of fire to take off the pilot would have simply adjusted the thrust and pitch of the rotors as with a helicopter. The aircraft featured two large rotors located in nacelles on the ends of its wings linked to an air-cooled Daimler Benz 600 engine in the fuselage. The rotors started to spin up and they hurriedly jumped to the roof a few feet below, ducking to avoid the backwash from the spinning propellers as the copter lifted off the heliport and headed into the night skyline. They heard the engine revving and the quickening beat of the rotors. The helicopter rises up over the ridge line, the noise of the rotors scattering the targets below. They were pretty useless when confronted with the high-pitched whine of the rotor's gears directly above our heads. He opened the door and leapt out while the rotors were still spinning and brushed off his clothes. Then the sound of rotors is heard, and they look up, only to see the two Serpent helicopters hovering above them. Will gave a light two fingered salute to those staying, as the rotors whirred and the chopper left. The shot was from a news helicopter and Cecil could hear the thudding of the helicopter rotors in the background as the reporter began to speak. You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you. He walked up to Blaine just as the helicopter rotors disengaged. As the rotors slowed, a side hatch opened and the Security Chief climbed out, followed by Director Bakan and their respective aides. The sound of the helicopter's rumbling rotors became louder, as it flew by directly overhead us, and began hovering over the red smoke. He raised his suntanned right arm to his face and shielded his eyes from the swirling clouds of dirt and dust kicked up by the Dauphin's rotors. 2The rotating assembly in a turbine, especially a wind turbine. （涡轮机，尤指风轮机的）旋转部件 Example sentencesExamples Standing at the base of one of the towers, there's only a gentle whoosh as the rotors sweep around. To achieve this same increase using a larger rotor is usually a more expensive choice than placing a smaller rotor on a higher tower where it will receive stronger winds. A fearless reaper, it pivots on its tower to face the wind, propellerlike rotor already scything around, faster and faster. Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt. Take away the 2.2 birds killed by the rotors, and the balance for wind energy, + 1707.8 birds per turbine a year, is not bad. ‘The bigger the rotor, the more wind you can collect,’ Sagrillo explained. Wind plant rotors have either two or three blades. The higher-wattage plants, with their large-diameter, low-rotation-per-minute rotors, are designed to capture energy from low wind speeds. The wind generated by the rotors while sitting on the ground is tremendous. The rotor turns an attached generator, creating electricity with a simple elegance, carving energy from the sky. She had to return to Southampton and have the turbine rotors completely redesigned and rebuilt. 2.1 The armature of an electric motor. （电动机的）转子 2.2 The rotating part of the distributor of an internal combustion engine that successively makes and breaks electrical contacts so that each spark plug fires in turn. （内燃机配电器的）旋转臂 Example sentencesExamples Unlike a piston engine, where reciprocating parts move up and down, the twin rotors in the Mazda just spin around. This time we had lost the rotor arm as well and Phil had to sprint back 100 yards to find it. For example, if D hires a car to P and then removes the rotor arm from it rendering it inoperable, he may be guilty of criminal damage. Rear rotors are vented on the GT and solid on the V - 6. The heavy impact damaged the rotor arm and though he carried on, Andrew was handicapped by a misfiring engine and could only struggle home sixth. Motorists who failed to immobilise their cars, by taking away the rotor arm from the distributor, were liable to find their tyres deflated by the police. It might have been tougher for Godfrey had the Cooper S of his competitors not lost nearly 10 minutes right at the start of the Radnor stage with a broken rotor arm. While Freestone had a good run on his first experience of the stage, they had a nightmare when a broken rotor arm cost them over two minutes. I immediately changed the oil, plugs, distributor cap, rotor arm, and a friendly independent specialist fixed the exhaust. After 20 minutes he decided the problem was with the rotor arm, and fashioned some wire underneath it to solve the problem. 2.3 The rotating container in a centrifuge. （离心机的）旋转器 Example sentencesExamples The Department of Energy rejected the claim that the country was importing aluminum tubes to produce centrifuge rotors for enriching uranium. One junior intelligence analyst thought that although they weren't at all like modern American centrifuge rotors, they might be usable in what are known as a Zippe centrifuge. 2.4 The rotary winder of a clockwork watch. （机械表的）旋转发条 3Meteorology A large eddy in which the air circulates around a horizontal axis, especially in the lee of a mountain. 〔气象〕滚轴气团（尤指在山的背风区域绕水平轴线旋转的气团） Origin Early 20th century: formed irregularly from rotator.
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