coolant

noun

cool·​ant ˈkü-lənt How to pronounce coolant (audio)
: a usually fluid cooling agent

Examples of coolant in a Sentence

Recent Examples on the Web Rather than use water as the reactor coolant – as is used in traditional nuclear reactors – Kairos Power uses molten fluoride salt. Pippa Stevens, CNBC, 14 Oct. 2024 Without coolant, the telescope could no longer obtain high-quality science data in two of its four observing wavelength bands. Meghan Bartels, Scientific American, 31 July 2024 In addition, these coolants can have problems of their own. David Szondy, New Atlas, 24 July 2024 According to Constellation, work will have to be done to refurbish the turbine, generator, main power transformer, and coolant and control systems. David Szondy, New Atlas, 22 Sep. 2024 See all Example Sentences for coolant 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coolant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of coolant was in 1915

Dictionary Entries Near coolant

Cite this Entry

“Coolant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coolant. Accessed 31 Oct. 2024.

Kids Definition

coolant

noun
cool·​ant ˈkü-lənt How to pronounce coolant (audio)
: a usually fluid cooling substance

More from Merriam-Webster on coolant

Last Updated: - Updated example sentences
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