working fluid

noun

: a fluid working substance

Example Sentences

Recent Examples on the Web The annual operating cost is low, and the working fluid is water rather than battery chemicals. Andrew Blakers, The Conversation, 19 Jan. 2022 But the biggest leap here is using carbon dioxide rather than steam as the working fluid. David Roberts, Vox, 1 June 2018 Sunlight is used to heat up a working fluid at the mirrors' focus. John Timmer, Ars Technica, 19 Oct. 2018 But the biggest leap here is using carbon dioxide rather than steam as the working fluid. David Roberts, Vox, 1 June 2018 In some plants, sunlight is directed toward a large central thermal tower that heats up quickly and boils a working fluid inside. Megan Geuss, Ars Technica, 28 Oct. 2017 It is then stored at 566 degrees Celsius (1,050 degrees Fahrenheit) and used to transfer heat through a heat exchanger to a working fluid that spins a conventional turbine, generating electricity. Megan Geuss, Ars Technica, 13 Oct. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'working fluid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of working fluid was in 1878

Dictionary Entries Near working fluid

Cite this Entry

“Working fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/working%20fluid. Accessed 6 Feb. 2023.

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