单词 | exhaust |
释义 | Word Frequency exhaust(ɪɡˈzɔːst) verb (mainly tr) 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. (intransitive) (of steam or other gases) to be emitted or to escape from an engine after being expanded noun 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 Derived forms exhausted (exˈhausted) adjective exhauster (exˈhauster) noun exhaustible (exˈhaustible) adjective exhaustibility (exˌhaustiˈbility) noun exhausting (exˈhausting) adjective Word origin C16: from Latin exhaustus made empty, from exhaurīre to draw out, from haurīre to draw, drain |
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