blowhole
Use Blowhole in a sentence
noun
1.
an air or gas vent, especially one to carry off fumes from a tunnel, underground passage, etc.
2.
either of two nostrils or spiracles, or a single one, at the top of the head in whales and other cetaceans, through which they breathe.
3.
a hole in the ice to which whales or seals come to breathe.
4.
Metallurgy. a defect in a casting or ingot caused by the escape of gas.
5.
Geology. a hole in a sea cliff or coastal terrace through which columns of spray are jetted upward.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To blowhole
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Blowhole
is always a great word to know.
So is mass. Does it mean:
| unit of measurement for force |
| quantity of matter as determined from its weight or from Newton's second law of motion |
Collins
World English Dictionary
blowhole (ˈbləʊˌhəʊl) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | the nostril, paired or single, of whales, situated far back on the skull |
| 2. | a hole in ice through which whales, seals, etc, breathe |
| 3. | a. a vent for air or gas, esp to release fumes from a tunnel, passage, etc |
| b. (NZ) a hole emitting gas or steam in a volcanic region | |
| 4. | a bubble-like defect in an ingot resulting from gas being trapped during solidification |
| 5. | geology a hole in a cliff top leading to a sea cave through which air is forced by the action of the sea |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Unlike today's whales, it had no blowhole-the ancient behemoth had to raise its head above water to breathe.
The marine mammals must come to the surface to breathe through the blowhole on the tops of their heads.
The dorsal fin usually appears at the same time as the blowhole, when the animal surfaces to breathe.
Don't miss the blowhole, a fascinating geologic feature.
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