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 Russian officials have also reported a series of coolant leaks over the years, which have not impacted the crew or station operations, AP reported. Amaris Encinas, USA TODAY, 29 Feb. 2024 Here's how much to expect Check antifreeze, batteries ahead of winter storms To prevent any mishaps during the winter season, drivers must check their engine coolant level, or antifreeze, according to Ruud. Coral Murphy Marcos, The Courier-Journal, 23 Feb. 2024 This ruptured the vehicle's cooling system, creating a dramatic spray of coolant for hours into space before there was none left. Eric Berger, Ars Technica, 13 Sep. 2023 Two coolant leaks attributable to external impacts already strained credulity—NASA has observed no such debilitating damage to its hardware in recent years. Eric Berger, Ars Technica, 10 Oct. 2023 The alarm, which shut off a few minutes later, said the bus had low coolant. Hailey Branson-Potts, Los Angeles Times, 7 Dec. 2023 That’s right: Instead of plain air, the Blade uses liquid coolant that changes phase not unlike the compressor on an air conditioner. Clifford Atiyeh, Robb Report, 13 Nov. 2023 Studies have found that orca bodies carry alarming levels of PCBs from coolants, flame retardants and lubricants that were banned in 1979. Julia O’Malley, New York Times, 19 July 2023 While commercial reactors in use today are cooled by water, the Kairos technology uses molten fluoride salt as a coolant. Will Wade, Fortune, 13 Dec. 2023

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 28 Mar. 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

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