n.
1.gases ejected from an engine as waste products
2.system consisting of the parts of an engine through which burned gases or steam are discharged exhaust v.
1.wear out completely
2.use up (resources or materials)
3.deplete
4.use up the whole supply of
5.create a vacuum in (a bulb, flask, reaction vessel, etc.)
Idiom of the Day
like water off a duck's back
without effect, without changing one`s feelings or opinion
My boss always criticizes my friend but he ignores it and the criticism is like water off a duck`s back.