exhausts

exhaust

[ig-zawst]
verb (used with object)
1.
to drain of strength or energy, wear out, or fatigue greatly, as a person: I have exhausted myself working.
2.
to use up or consume completely; expend the whole of: He exhausted a fortune in stock-market speculation.
3.
to draw out all that is essential in (a subject, topic, etc.); treat or study thoroughly.
4.
to empty by drawing out the contents: to exhaust a tank of fuel oil.
5.
to create a vacuum in.
6.
to draw out or drain off completely.
7.
to deprive wholly of useful or essential properties, possessions, resources, etc.
8.
Chemistry, Pharmacology. to deprive of ingredients by the use of solvents, as a drug.
9.
to destroy the fertility of (soil), as by intensive cultivation.
verb (used without object)
10.
to pass out or escape, as spent steam from the cylinder of an engine.
noun Machinery.
11.
the escape of steam or gases from the cylinder of an engine.
12.
the steam or gases ejected.
13.
Also called exhaust system. the parts of an engine through which the exhaust is ejected.

Origin:
1515–25; 1895–1900 for def 11; < Latin exhaustus emptied out, drained out, past participle of exhaurīre

exhauster, noun
exhaustible, adjective
exhaustibility, noun
multiexhaust, noun
nonexhausted, adjective
nonexhaustible, adjective
preexhaust, verb (used with object)
unexhausted, adjective
unexhaustedly, adverb


1. tire, enervate, prostrate, debilitate. 2. waste, squander, dissipate. 4. void. 12. fumes, smoke, vapor.


1. strengthen, invigorate. 4. fill.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
exhaust (ɪɡˈzɔːst)
 
vb
1.  to drain the energy of; tire out: to exhaust someone by constant questioning
2.  to deprive of resources, etc: a nation exhausted by war
3.  to deplete totally; expend; consume: to exhaust food supplies
4.  to empty (a container) by drawing off or pumping out (the contents)
5.  to develop or discuss thoroughly so that no further interest remains: to exhaust a topic of conversation
6.  to remove gas from (a vessel, etc) in order to reduce the pressure or create a vacuum; evacuate
7.  to remove or use up the active ingredients from (a drug, solution, etc)
8.  to destroy the fertility of (soil) by excessive cultivation
9.  (intr) (of steam or other gases) to be emitted or to escape from an engine after being expanded
 
n
10.  gases ejected from an engine as waste products
11.  a.  the expulsion of expanded gas or steam from an engine
 b.  (as modifier): exhaust stroke
12.  a.  the parts of an engine through which the exhausted gases or steam pass
 b.  (as modifier): exhaust valve; exhaust pipe
 
[C16: from Latin exhaustus made empty, from exhaurīre to draw out, from haurīre to draw, drain]
 
ex'hausted
 
adj
 
ex'hauster
 
n
 
ex'haustible
 
adj
 
exhausti'bility
 
n
 
ex'hausting
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

exhaust
1530s, "to draw off or out, to use up completely," from L. exhaustus, pp. of exhaurire "draw off, take away, use up," from ex- "off" + haurire "to draw up" (as water), from PIE *aus- "to draw water." Noun sense of "waste gas" (1848) was originally from steam engines. Related: Exhausting
Online Etymology Dictionary, © 2010 Douglas Harper
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