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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Three Mile Island plant was the location of the most serious nuclear meltdown and radiation leak in U.S. history in March 1979, when the loss of water coolant through a faulty valve caused a reactor to overheat. Ryan Browne, CNBC, 16 Oct. 2024 To add insult to injury, the damage and rubble in the surrounding area kept emergency crews from getting to the plant in time to prevent a chemical explosion due to the coolant water breaking down into hydrogen and the reactor cores going into meltdown. David Szondy, New Atlas, 24 July 2024 This open system, with unlimited coolant at ambient temperature, and with a high thermal differential, required only a very low flow rate (to avoid overcooling). New Atlas, 31 Oct. 2024 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 See all Example Sentences for coolant 

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 3 Dec. 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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