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more about exhaust
exhaust |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Exhaust \Ex*haust"\, a. [L. exhaustus p. p.] 1. Drained; exhausted; having expended or lost its energy. 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work {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}, {Exhaust orifice} (Steam Engine), the blast orifice or nozzle. {Exhaust pipe} (Steam Engine), the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser. {Exhaust port} (Steam Engine), the opening, in the cylinder or valve, by which the exhaust steam escapes. {Exhaust purifier} (Milling), a machine for sorting grains, or purifying middlings by an exhaust draught. --Knight. {Exhaust steam} (Steam Engine), steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston. {Exhaust valve} (Steam Engine), a valve that lets exhaust steam escape out of a cylinder. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Exhaust \Ex*haust"\, v. t. [imp. & p. p. {Exhausted}; p. pr & vb n. {Exhausting}.] [L. exhaustus p. p. of exhaurire ex out + haurire haustum to draw, esp. water; perhaps akin to Icel. asua to sprinkle, pump.] 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. To empty by drawing or letting out the contents; as to exhaust a well or a treasury. 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. To bring out or develop completely; to discuss thoroughly; as to exhaust a subject. 5. (Chem.) 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. {Exhausted receiver}. (Physics) See under {Receiver}. Syn: To spend; consume; tire out weary. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Exhaust \Ex*haust"\, n. (Steam Engine) 1. The steam let out of a cylinder after it has done its work there 2. The foul air let out of a room through a register or pipe provided for the purpose. From WordNet r 1.6 [wn]: exhaust n 1: gases ejected from an engine as waste products [syn: {exhaust fumes}, {fumes}] 2: the parts of an engine through which burned gases or steam are discharged [syn: {exhaust system}] v 1: wear out completely; "This kind of work exhausts me"; "I'm beat" [syn: {beat}, {tucker}, {tucker out}] 2: use up as of resources or materials; "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week" [syn: {consume}, {eat up}, {use up}, {eat}, {deplete}, {run through}, {wipe out}] 3: deplete; "exhaust one's savings" [syn: {run down}, {sap}, {tire}, {use up}] 4: use up the whole supply of "We have exhaustet the food supplies" 5: create a vacuum in (a bulb, flask, reaction vessel, etc.) [syn: {evacuate}]
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