AskDefine | Define exhaust

Dictionary Definition

exhaust

Noun

1 gases ejected from an engine as waste products [syn: exhaust fumes, fumes]
2 system consisting of the parts of an engine through which burned gases or steam are discharged [syn: exhaust system]

Verb

1 wear out completely; "This kind of work exhausts me"; "I'm beat"; "He was all washed up after the exam" [syn: wash up, beat, tucker, tucker out]
2 use up (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"; "We quickly played out our strength" [syn: run down, play out, sap, tire]
4 use up the whole supply of; "We have exhausted the food supplies"
5 create a vacuum in (a bulb, flask, reaction vessel, etc.) [syn: evacuate]

User Contributed Dictionary

English

Etymology

From exhaustus (past participle of exhaurire).

Pronunciation

\Ex*haust"\

Verb

  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. 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.

Translations

to empty by drawing or letting out the contents
  • Czech: vyčerpat

Noun

  1. System consisting of the parts of an engine through which burned gases or steam are discharged
  2. The steam let out of a cylinder after it has done its work there.
  3. The foul air let out of a room through a register or pipe provided for the purpose.
  4. An exhaust pipe, especially on a motor vehicle.

Translations

Derived terms

Extensive Definition

Exhaust may refer to:
In mathematics:
In engines and technology:
In health:
  • Heat exhaustion, a medical condition where the body is unable to control its accumulation of heat
  • Nervous exhaustion, a nineteenth-century diagnosis encompassing fatigue, anxiety, and depression
  • Adrenal exhaustion, a hypothesized maladaption of the adrenal glands
In law:
Exhaust may also refer to:
  • Exhaustive ballot, a multi-round voting system
  • Exhaust date, the projected date that a telecommunications area code will have assigned all of its numbers
  • Exhaust (band) is a clarinet, drum, and tape trio in Montreal, Canada
  • In the description of any formally defined set, the rules by which every arbitrary object may be defined as included in some subset n (and excluded from every other n-1 wholly independent subsets), with no objects remaining, are referred to as being exhaustive.
exhaust in French: Échappement
exhaust in Ido: Eskapo
exhaust in Dutch: Echappement

Synonyms, Antonyms and Related Words

abate, ablate, absorb, assimilate, attenuate, avenue, backwash, bankrupt, beat, blackdamp, bleed, bleed white, blow, blow out, blowhole, blunt, breathe, breathe hard, breathe in, breathe out, broach, burden, burn out, burn up, carry too far, cast forth, castrate, channel, charge, chokedamp, chute, clean out, clear, clear away, clear off, clear out, clear the decks, coal gas, condensation trail, consume, contrail, cough, cramp, cripple, crush one, damp, dampen, deaden, debilitate, debouch, decant, defecate, defluxion, demasculinize, denude, deplete, deplume, desex, desexualize, despoil, devitalize, digest, disable, discharge, disembogue, disgorge, displume, dissipate, divest, do in, do up, door, draft, draft off, drain, drain of resources, drain off, drain out, drainage, draw, draw from, draw off, dry, dull, eat, eat up, effeminize, effluence, effluent, effluvium, efflux, effluxion, effusion, egress, ejaculate, eliminate, emanation, emasculate, emission, emit, empty, empty out, emunctory, enervate, enfeeble, erode, eruct, erupt, escape, estuary, etiolate, evacuate, eviscerate, exaggerate, exhalation, exhale, exhaust gas, exit, expel, expend, expire, extenuate, extravasate, fag, fag out, fatigue, find vent, finish, finish off, firedamp, flag, flay, fleece, floodgate, flow, flow out, flowoff, flume, frazzle, fritter away, fuel, fume, fumes, gas, gasp, give off, give out, give vent to, go overboard, go to extremes, go too far, gobble, gobble up, gruel, gulp, gush, gush out, hack, harass, haunt, haunt the memory, hiccup, huff, impoverish, ingest, inhale, inspire, issue, jade, jet, jet propulsion, knock out, knock up, know no bounds, lay low, let, let blood, let out, liquid oxygen, loophole, lose, malaria, mephitis, milk, mitigate, obsess, open the floodgates, open the sluices, opening, oppress, out, outcome, outfall, outflow, outflowing, outgate, outgo, outlet, outpour, outpouring, overact, overcarry, overdevelop, overdo, overdrive, overelaborate, overemphasize, overexercise, overexert, overexpend, overfatigue, overindulge, overlabor, overplay, overreact, overspend, overstrain, overstress, overstudy, overtask, overtax, overtire, overtrain, overuse, overweary, overwork, pant, pass all bounds, phlebotomize, pick clean, pipette, pluck, poop, poop out, pore, port, pour, pour forth, pour out, prey on, propellant, propulsion charge, prostrate, protest too much, puff, pump, pump out, purge, rattle, reaction propulsion, reduce, reek, remove, respire, rocket propulsion, run out, run through, runoff, sally port, sap, scour out, send forth, send out, shake, shake up, shear, sigh, siphon off, skin, sluice, sluice out, smoke, sneeze, sniff, sniffle, snore, snort, snuff, snuffle, soften up, spend, spew, spew out, spill, spiracle, spout, spout out, spurt, squander, squirt, steam, sterilize, strain, stream, strip, strip bare, suck, suck dry, suck out, surge, swallow, swallow up, sweep out, tap, tax, throw off, throw out, thrust, tire, tire out, tire to death, tucker, unbrace, unclog, undermine, unfoul, unman, unnerve, unstrengthen, unstring, use up, vapor, vapor trail, venesect, vent, ventage, venthole, void, vomit forth, vomitory, vortex, wake, wash, waste, waste away, way out, weaken, wear, wear away, wear down, wear on, wear out, wear upon one, weary, weigh upon, weight down, weir, well, well out, wheeze, wilt, wind
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