WORKING SUBSTANCE Definition & Meaning

working substance

noun

a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.

working substance

noun

the fluid, esp water, steam, or compressed air, that operates an engine, refrigerator, etc

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�y��vlog History and Origins

Origin of working substance¹

First recorded in 1895–1900

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Example Sentences

Examples have not been reviewed.

A calcium ion held in a tapered trap is used as the working substance of a tiny thermodynamic engine.

From Science Magazine

A calcium ion held in a tapered trap is used as the working substance of a tiny thermodynamic engine.

From Science Magazine

Carnot points out that in order to obtain an answer to this question, it is necessary to consider the essential conditions of the process, apart from the mechanism of the engine and the working substance or agent employed.

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Having established the general notions of a perfect cycle, he proceeds to give a more exact illustration, employing a gas as the working substance.

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The air has served as working substance in a heat-engine; it has also been employed in the most advantageous manner possible, since no useless re-establishment of the equilibrium of heat has been allowed to occur.

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