exhaust
/ɪɡˈzɔst/ noun B2- A system consisting of the parts of an engine through which burned gases or steam are discharged; see also exhaust system.
- The steam let out of a cylinder after it has done its work there.
- The dirty air let out of a room through a register or pipe provided for the purpose.
- An exhaust pipe, especially on a motor vehicle.
- Exhaust gas.
Plural exhausts
From the library
Let what may remain of revolutionary sap exhaust itself and die away with the old trunk, and condescend only to regard the young shoot which has started up at a distance from the parent tree, without having the power, any more than the wish, to separate entirely from the stock from which it sprung.”
But we are bound to exhaust all other hypotheses before falling back upon this one.
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