exhaust

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exhaust

1. gases ejected from an engine as waste products
2. 
a. the expulsion of expanded gas or steam from an engine
b. (as modifier): exhaust stroke
3. 
a. the parts of an engine through which the exhausted gases or steam pass
b. (as modifier): exhaust valve

exhaust

[ig′zȯst]
(mechanical engineering)
The working substance discharged from an engine cylinder or turbine after performing work on the moving parts of the machine.
The phase of the engine cycle concerned with this discharge.
A duct for the escape of gases, fumes, and odors from an enclosure, sometimes equipped with an arrangement of fans.
(science and technology)
References in classic literature ?
Fogg had, it is true, exhausted fifty-two of the eighty days in which he was to complete the tour, and there were only twenty-eight left.
Though the troops were ill-clad, exhausted, and had lost a third of their number in killed, wounded, sick, and stragglers; though a number of sick and wounded had been abandoned on the other side of the Danube with a letter in which Kutuzov entrusted them to the humanity of the enemy; and though the big hospitals and the houses in Krems converted into military hospitals could no longer accommodate all the sick and wounded, yet the stand made at Krems and the victory over Mortier raised the spirits of the army considerably.
The Nez Perces and Flathead sages upon this held a council of war of two days' duration, in which there was abundance of hard smoking and long talking, and both eloquence and tobacco were nearly exhausted.
The patience of Captain Bonneville was at length exhausted.
Adrienne had not lost a moment, but had begun this system of ill-requited industry long before her money was exhausted.
But the trousseau was nearly exhausted, and the stock of ready money was reduced to a single napoleon, and a little change.
By our arrival their Expenses were considerably encreased tho' their means for supplying them were then nearly exhausted.