Exhaust

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Exhaust

(v. t.) To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.
(v. t.) To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
(v. t.) To drain, metaphorically; to use or expend wholly, or till the supply comes to an end; to deprive wholly of strength; to use up; to weary or tire out; to wear out; as, to exhaust one's strength, patience, or resources.
(v. t.) To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
(v. t.) To subject to the action of various solvents in order to remove all soluble substances or extractives; as, to exhaust a drug successively with water, alcohol, and ether.
(a.) Drained; exhausted; having expended or lost its energy.
(a.) Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work.
(n.) The steam let out of a cylinder after it has done its work there.
(n.) The foul air let out of a room through a register or pipe provided for the purpose.