Exhaust Definition

ĭg-zôst
exhausted, exhausting, exhausts
verb
exhausted, exhausting, exhausts
To be discharged or let out, as gas or steam from an engine.
Webster's New World
To use up; expend completely.
To exhaust one's resources.
Webster's New World
To tire out; make very weary; weaken.
Webster's New World
To drain of power, resources, etc.
War exhausted the nation.
Webster's New World
To draw off or let out completely (air, gas, etc.), as from a container.
Webster's New World
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noun
exhausts
The escape or release of vaporous waste material, as from an engine.
American Heritage
An apparatus for doing this, as in getting rid of fumes, dust, stale air, etc.
Webster's New World
The withdrawing of air, gas, etc. from a container or enclosure, as by means of a fan or pump.
Webster's New World
The discharge or release of used steam, gas, etc. from a steam or gas turbine or from the cylinders of an engine at the end of every working stroke of the pistons.
Webster's New World
A duct or pipe through which waste material is emitted.
American Heritage
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adjective
(obsolete) Exhausted; used up.
Wiktionary

Other Word Forms of Exhaust

Noun

Singular:
exhaust
Plural:
exhausts

Origin of Exhaust

  • From Latin exhaustus, past participle of exhaurire (“to draw out, drink up, empty, exhaust”), from ex (“out”) + haurire (“to draw (especially water), drain”).

    From Wiktionary

  • Latin exhaurīre exhaust- ex- ex- haurīre to draw

    From American Heritage Dictionary of the English Language, 5th Edition

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