exhaust

gases ejected from an engine as waste products

system consisting of the parts of an engine through which burned gases or steam are discharged

wear out completely; "This kind of work exhausts me"; "I'm beat"; "He was all washed up after the exam"

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"

deplete; "exhaust one's savings"; "We quickly played out our strength"

use up the whole supply of; "We have exhausted the food supplies"

eliminate (a substance); "combustion products are exhausted in the engine"; "the plant releases a gas"