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 ?
My strength was exhausted; my fingers stiffened; my hand afforded me support no longer; my mouth, convulsively opening, filled with salt water.
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.
Dantes was so exhausted that the exclamation of joy he uttered was mistaken for a sigh.
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. At length they came to a decision to reject the worthy captain's proposition, and upon pretty substantial grounds, as the reader may judge.
The patience of Captain Bonneville was at length exhausted. He had played the part of a pacificator without success; he now altered his tone, and resolved, if possible, to rouse their war spirit.
This store was now nearly exhausted, and she had found a milliner who gave her a miserable pittance for toiling with her needle eight or ten hours each day.
By our arrival their Expenses were considerably encreased tho' their means for supplying them were then nearly exhausted. But they, Exalted Creatures!