- The definition of exhaust is the release of used steam or gas.
An example of exhaust is what comes out of a car's tail pipe.
- To exhaust is defined as to use up, tire out or discharge.
An example of to exhaust is someone draining their savings account.
Exhaust fumes from numerous automobiles.Licensed from iStockPhoto
- to draw off or let out completely (air, gas, etc.), as from a container
- to use up; expend completely: to exhaust one's resources
- to empty completely; draw off the contents of; drain: to exhaust a well
- to create a vacuum in
- to drain of power, resources, etc.: war exhausted the nation
- to tire out; make very weary; weaken
- to deal with, study, or develop completely and thoroughly: to exhaust a subject
Origin: ; from Classical Latin exhaustus, past participle of exhaurire, to draw out, exhaust ; from ex-, out plush haurire, to draw, drain ; from Indo-European base an unverified form aus- from source Old Norse ausa
- the withdrawing of air, gas, etc. from a container or enclosure, as by means of a fan or pump
- an apparatus for doing this, as in getting rid of fumes, dust, stale air, etc.
- 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
- the system of pipes, including mufflers, catalytic converters, etc. through which such steam, gas, etc. is released
- something given off or let out, as fumes from a gasoline engine
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verb ex·haust·ed, ex·haust·ing, ex·hausts verb, transitive
- To wear out completely. See Synonyms at tire1.
- To drain of resources or properties; deplete: tobacco crops that exhausted the soil. See Synonyms at deplete.
- To use up completely: exhausted our funds before the month was out.
- To treat completely; cover thoroughly: exhaust a topic.
- To draw out the contents of; drain: exhaust a tank gradually.
- To let out or draw off: exhaust vaporous wastes through a pipe.
- a. The escape or release of vaporous waste material, as from an engine.b. The fumes or gases so released.
- A duct or pipe through which waste material is emitted.
- An apparatus for drawing out noxious air or waste material by means of a partial vacuum.
Origin: Latin exhaurīre, exhaust- : ex-, ex- + haurīre, to draw.
- ex·haustˈed·ly adverb
- ex·haustˈer noun
- ex·haustˌi·bilˈi·ty noun
- ex·haustˈi·ble adjective
- ex·haustˈing·ly adverb