Definition of blowhole in English:

blowhole

nounˈbləʊhəʊlˈbloʊˌhoʊl

1The nostril of a whale or dolphin on the top of its head.
（鲸、海豚的）鼻孔
Example sentencesExamples
- While the rest of us stood agog as the spray from the whales' blowholes misted over the deck, three divers managed to slip into the water.
- They are surrounded by crowds of people stroking and patting them often near sensitive areas such as their blowholes and they become obese through uncontrolled feeding.
- One of the whales spouted a cloud of mist from its blowhole.
- When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream.
- A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail.
2A hole in ice through which a sea mammal breathes or a person fishes.
Example sentencesExamples
- A burly man raises a stick with a hook on the end to strike a baby seal as it surfaces from a blowhole in the ice.
- Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface.
- Polar bears will stand or lie by the seals blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water.
- They will sit by a seal blowhole for hours, waiting, until the animal surfaces.
- The bears wait and watch at the seal's blowhole, not moving, perhaps hiding their black noses behind the ice.
Synonyms
outlet, inlet, opening, aperture, vent hole, hole, gap, orifice, space, cavity, cleft, slit, pore, port
1. 2.1 A vent for air or smoke in a tunnel or other structure.
  （隧道等的）通风孔，排烟孔
  Example sentencesExamples
  This electrical power generating system is applicable in any location where wave action in blowholes produces compressed air.
  It has blowholes and lava tubes, the wettest spot on earth, and the nation's only royal palace.
  This can probably be attributed to the top blowhole wicking away the rising hot air.
  Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures.
  This vent area is not your standard side mounted blowhole.
  Synonyms
  vent, vent hole, way out, exit, egress

Definition of blowhole in US English:

blowhole

nounˈblōˌhōlˈbloʊˌhoʊl

1The nostril of a whale or dolphin on the top of its head.
（鲸、海豚的）鼻孔
Example sentencesExamples
- They are surrounded by crowds of people stroking and patting them often near sensitive areas such as their blowholes and they become obese through uncontrolled feeding.
- While the rest of us stood agog as the spray from the whales' blowholes misted over the deck, three divers managed to slip into the water.
- One of the whales spouted a cloud of mist from its blowhole.
- A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail.
- When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream.
1. 1.1 A hole in ice to which seals, whales, and other aquatic animals come to breathe.
  Example sentencesExamples
  Polar bears will stand or lie by the seals blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water.
  The bears wait and watch at the seal's blowhole, not moving, perhaps hiding their black noses behind the ice.
  Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface.
  A burly man raises a stick with a hook on the end to strike a baby seal as it surfaces from a blowhole in the ice.
  They will sit by a seal blowhole for hours, waiting, until the animal surfaces.
  Synonyms
  outlet, inlet, opening, aperture, vent hole, hole, gap, orifice, space, cavity, cleft, slit, pore, port
2. 1.2 A vent for air or smoke in a tunnel or other structure.
  （隧道等的）通风孔，排烟孔
  Example sentencesExamples
  Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures.
  This electrical power generating system is applicable in any location where wave action in blowholes produces compressed air.
  This can probably be attributed to the top blowhole wicking away the rising hot air.
  This vent area is not your standard side mounted blowhole.
  It has blowholes and lava tubes, the wettest spot on earth, and the nation's only royal palace.
  Synonyms
  vent, vent hole, way out, exit, egress
3. 1.3 A cavity in a metal casting, produced by the escape of air through the liquid metal.
  Example sentencesExamples
  Unlike a casting, a spun part that requires further machining will not be scrapped by a hidden blowhole or inclusion.
  The invention provides an apparatus and a method for reducing the volume of risers, and for the possibility of reducing shrinkage, blowhole and porosity in shaped gravity casting.
  The vacuum eliminates blowhole residue completely and enhances metal quality.
  A third fault or defect type is blowhole formation due to air and gas inclusions, which arise during casting, but mainly in the phase just before the end of casting.
  Producers of iron castings sometimes are confronted by a rash of blowhole or pinhole defects that take time and money to correct.

词汇	blowhole
释义	Definition of blowhole in English: blowhole nounˈbləʊhəʊlˈbloʊˌhoʊl 1The nostril of a whale or dolphin on the top of its head. （鲸、海豚的）鼻孔 Example sentencesExamples While the rest of us stood agog as the spray from the whales' blowholes misted over the deck, three divers managed to slip into the water. They are surrounded by crowds of people stroking and patting them often near sensitive areas such as their blowholes and they become obese through uncontrolled feeding. One of the whales spouted a cloud of mist from its blowhole. When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream. A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail. 2A hole in ice through which a sea mammal breathes or a person fishes. Example sentencesExamples A burly man raises a stick with a hook on the end to strike a baby seal as it surfaces from a blowhole in the ice. Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface. Polar bears will stand or lie by the seals blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water. They will sit by a seal blowhole for hours, waiting, until the animal surfaces. The bears wait and watch at the seal's blowhole, not moving, perhaps hiding their black noses behind the ice. Synonyms outlet, inlet, opening, aperture, vent hole, hole, gap, orifice, space, cavity, cleft, slit, pore, port 2.1 A vent for air or smoke in a tunnel or other structure. （隧道等的）通风孔，排烟孔 Example sentencesExamples This electrical power generating system is applicable in any location where wave action in blowholes produces compressed air. It has blowholes and lava tubes, the wettest spot on earth, and the nation's only royal palace. This can probably be attributed to the top blowhole wicking away the rising hot air. Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures. This vent area is not your standard side mounted blowhole. Synonyms vent, vent hole, way out, exit, egress Definition of blowhole in US English: blowhole nounˈblōˌhōlˈbloʊˌhoʊl 1The nostril of a whale or dolphin on the top of its head. （鲸、海豚的）鼻孔 Example sentencesExamples They are surrounded by crowds of people stroking and patting them often near sensitive areas such as their blowholes and they become obese through uncontrolled feeding. While the rest of us stood agog as the spray from the whales' blowholes misted over the deck, three divers managed to slip into the water. One of the whales spouted a cloud of mist from its blowhole. A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail. When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream. 1.1 A hole in ice to which seals, whales, and other aquatic animals come to breathe. Example sentencesExamples Polar bears will stand or lie by the seals blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water. The bears wait and watch at the seal's blowhole, not moving, perhaps hiding their black noses behind the ice. Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface. A burly man raises a stick with a hook on the end to strike a baby seal as it surfaces from a blowhole in the ice. They will sit by a seal blowhole for hours, waiting, until the animal surfaces. Synonyms outlet, inlet, opening, aperture, vent hole, hole, gap, orifice, space, cavity, cleft, slit, pore, port 1.2 A vent for air or smoke in a tunnel or other structure. （隧道等的）通风孔，排烟孔 Example sentencesExamples Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures. This electrical power generating system is applicable in any location where wave action in blowholes produces compressed air. This can probably be attributed to the top blowhole wicking away the rising hot air. This vent area is not your standard side mounted blowhole. It has blowholes and lava tubes, the wettest spot on earth, and the nation's only royal palace. Synonyms vent, vent hole, way out, exit, egress 1.3 A cavity in a metal casting, produced by the escape of air through the liquid metal. Example sentencesExamples Unlike a casting, a spun part that requires further machining will not be scrapped by a hidden blowhole or inclusion. The invention provides an apparatus and a method for reducing the volume of risers, and for the possibility of reducing shrinkage, blowhole and porosity in shaped gravity casting. The vacuum eliminates blowhole residue completely and enhances metal quality. A third fault or defect type is blowhole formation due to air and gas inclusions, which arise during casting, but mainly in the phase just before the end of casting. Producers of iron castings sometimes are confronted by a rash of blowhole or pinhole defects that take time and money to correct.
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