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Entry 9 senses · 3 variants Webster, 1913

Exhaust

/ĭg-zôst'/ · Ex·haust · IPA /ɪɡˈzɔst/
01 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.
imp. & p. p. Exhausted; p. pr. & vb. n. Exhausting
  1. 1.
    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.
  2. 2.
    To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
  3. 3.
    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.
    “A decrepit, exhausted old man at fifty-five.” — Motley.
  4. 4.
    To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
  5. 5.
    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.(Chem.)
Phrases & compounds
Exhausted receiver — See under Receiver.
Syn. To spend; consume; tire out; weary.
02 a. Drained; exhausted; having expended or lost its energy.
  1. 1.
    Drained; exhausted; having expended or lost its energy.
  2. 2.
    Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work.
Phrases & compounds
Exhaust draught — a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through.
Exhaust fan — a fan blower so arranged as to produce an exhaust draught, or to draw air or gas out of a place, as out of a room in ventilating it.
Exhaust nozzle — the blast orifice or nozzle.
Exhaust pipe — the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser.
Exhaust port — the opening, in the cylinder or valve, by which the exhaust steam escapes.
Exhaust purifier — a machine for sorting grains, or purifying middlings by an exhaust draught.
Exhaust steam — steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston.
Exhaust valve — a valve that lets exhaust steam escape out of a cylinder.
03 n. The steam let out of a cylinder after it has done its work there.
  1. 1.
    The steam let out of a cylinder after it has done its work there.(Steam Engine)
  2. 2.
    The foul air let out of a room through a register or pipe provided for the purpose.