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.
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Origin of working substance
First recorded in 1895–1900
Words nearby working substance
working order, working papers, working party, workingperson, working storage, working substance, working week, workingwoman, work-in-progress, work it, work-life balance
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for working substance
working substance
working fluid
noun
the fluid, esp water, steam, or compressed air, that operates an engine, refrigerator, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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