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Definition of exhaust noun from the Oxford Advanced Learner's Dictionary

exhaust

noun
 
/ɪɡˈzɔːst/
 
/ɪɡˈzɔːst/
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  1. [uncountable] waste gases that come out of a vehicle, an engine or a machine
    • car exhaust fumes/emissions
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    Extra Examples
    • ducts which draw out exhaust air and replace it with fresh
    • The car was fitted with a catalytic converter to meet exhaust regulations.
    Topics The environmentc1, Transport by car or lorryc1
    Oxford Collocations Dictionaryadjective
    • auto
    • automobile
    • car
    • …
    exhaust + noun
    • emission
    • fumes
    • gas
    • …
    preposition
    • from an/​the exhaust
    See full entry
  2. [countable] the system in a vehicle through which exhaust gases come out
    • My car needs a new exhaust.
    • pollution from car exhausts
    Topics Transport by car or lorryc1
    Oxford Collocations Dictionaryadjective
    • auto
    • automobile
    • car
    • …
    exhaust + noun
    • emission
    • fumes
    • gas
    • …
    preposition
    • from an/​the exhaust
    See full entry
    3. Word Originmid 16th cent. (in the sense ‘draw off or out’): from Latin exhaust- ‘drained out’, from the verb exhaurire, from ex- ‘out’ + haurire ‘draw (water), drain’.
See exhaust in the Oxford Advanced American DictionarySee exhaust in the Oxford Learner's Dictionary of Academic English
Check pronunciation: exhaust

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