Science Fair Project Encyclopedia
Exhaust
The word exhaust can mean:-
- A verb meaning "tire out", as in "After the long gallop, his horse was exhausted."
- A verb meaning "use up, consume", as in "That area's copper ore deposits are nearly exhausted".
- A noun meaning "waste gases produced by an internal combustion engine" (see exhaust gas), or "the pipework that those waste gases are discharged through".
- A noun meaning "waste low-pressure steam emitted by a steam engine".
- Sometimes, the pipe in a breathing apparatus that its user breathes out through.
- The backblast produced by a jet engine or a rocket.
The word comes from the Latin exhaustus meaning "drained dry, emptied", from the verb exhauriō.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details