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 The Cybertruck is also proving to be a nightmare for many of the owners who decided to take the plunge on the divisive electric pickup, including a warrant that covers coolant leaks for the first 35 miles. Ryan Erik King / Jalopnik, Quartz, 13 May 2024 Last year, Russia had to send a replacement Soyuz spacecraft to the station, after one was damaged and leaking coolant while it was docked at the space station. Christian Davenport, Washington Post, 2 Mar. 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 29 May. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!