exhaust
noun.
gases ejected from an engine as waste products
noun.
system consisting of the parts of an engine through which burned gases or steam are discharged
verb.
wear out completely
This kind of work exhausts me|I'm beat|He was all washed up after the exam
verb.
use up (resources or materials)
this car consumes a lot of gas|We exhausted our savings|They run through 20 bottles of wine a week
verb.
deplete
exhaust one's savings|We quickly played out our strength
verb.
use up the whole supply of
We have exhausted the food supplies
verb.
eliminate (a substance)
combustion products are exhausted in the engine|the plant releases a gas