| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ex•haust /ɪgˈzɔst/USA pronunciation v. [~ + object]- to drain of strength or energy: I have exhausted myself working. The children exhausted their babysitter.
- to use up or consume completely:The soldiers had exhausted their supply of ammunition.
- to draw out all that is essential in; treat or study thoroughly:They had completely exhausted the subject.
n. [uncountable] - Mechanical Engineeringthe steam or gases that escape or are sent out of an engine:the exhaust from the car ahead.
- Automotive, Mechanical EngineeringAlso called ˈex•haust ˌsys•tem. the parts of an engine through which the exhaust is ejected:Check the exhaust for a leak.
ex•haus•tion /ɪgˈzɔstʃən/USA pronunciation n. [uncountable]ex•haust•i•ble, adj. WordReference Random House Unabridged Dictionary of American English © 2024ex•haust (ig zôst′),USA pronunciation v.t. - to drain of strength or energy, wear out, or fatigue greatly, as a person:I have exhausted myself working.
- to use up or consume completely;
expend the whole of:He exhausted a fortune in stock-market speculation. - to draw out all that is essential in (a subject, topic, etc.);
treat or study thoroughly. - to empty by drawing out the contents:to exhaust a tank of fuel oil.
- Physicsto create a vacuum in.
- to draw out or drain off completely.
- to deprive wholly of useful or essential properties, possessions, resources, etc.
- Chemistry, Drugsto deprive of ingredients by the use of solvents, as a drug.
- to destroy the fertility of (soil), as by intensive cultivation.
v.i. - Physicsto pass out or escape, as spent steam from the cylinder of an engine.
n. Mach. - the escape of steam or gases from the cylinder of an engine.
- the steam or gases ejected.
- AutomotiveAlso called exhaust system. the parts of an engine through which the exhaust is ejected.
- Latin exhaustus emptied out, drained out, past participle of exhaurīre
- 1515–25; 1895–1900 for def. 11;
- 1.See corresponding entry in Unabridged tire, enervate, prostrate, debilitate.
- 2.See corresponding entry in Unabridged waste, squander, dissipate.
- 4.See corresponding entry in Unabridged void.
- 12.See corresponding entry in Unabridged fumes, smoke, vapor.
- 1.See corresponding entry in Unabridged strengthen, invigorate.
- 4.See corresponding entry in Unabridged fill.
Collins Concise English Dictionary © HarperCollins Publishers:: exhaust /ɪɡˈzɔːst/ vb (mainly tr)- to drain the energy of; tire out
- to deprive of resources, etc
- to deplete totally; expend; consume
- to empty (a container) by drawing off or pumping out (the contents)
- to develop or discuss thoroughly so that no further interest remains
- to remove gas from (a vessel, etc) in order to reduce the pressure or create a vacuum; evacuate
- (intransitive) (of steam or other gases) to be emitted or to escape from an engine after being expanded
n - gases ejected from an engine as waste products
- the expulsion of expanded gas or steam from an engine
- (as modifier): exhaust valve, exhaust pipe
Etymology: 16th Century: from Latin exhaustus made empty, from exhaurīre to draw out, from haurīre to draw, drainexˈhausted adj exˈhaustible adj exˈhausting adj |