refrigerant

1 of 2

adjective

re·​frig·​er·​ant ri-ˈfri-jə-rənt How to pronounce refrigerant (audio)
-ˈfrij-rənt
: allaying heat or fever

refrigerant

2 of 2

noun

: a refrigerant agent or agency: such as
a
: a medication for reducing body heat
b
: a substance used in refrigeration

Examples of refrigerant in a Sentence

Recent Examples on the Web
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Adjective
When the team was restarting the power plant, a power cable feeding the refrigerant pump also failed when an imperfection in the cable casing allowed seawater to seep in and short two of the electrical conductors. — Jeremy Hsu, ArsTechnica, 19 Oct. 2026 The technology behind the pumps, using electricity and refrigerant, is simple and efficient. — Molly McCrea, CBS News, 16 Oct. 2026
Noun
Starboard wants Solstice to cut about $100 million in corporate costs focus on its refrigerants and nuclear businesses, the report said. — Sean Conlon,lee Ying Shan,fred Imbert, CNBC, 19 Oct. 2026 For the project, the team tested heat pumps that use butane as a refrigerant. — Georgina Jedikovska, Interesting Engineering, 7 Oct. 2026 See All Example Sentences for refrigerant

Word History

First Known Use

Adjective

1599, in the meaning defined above

Noun

1676, in the meaning defined above

Time Traveler
The first known use of refrigerant was in 1599

Browse Nearby Words

Cite this Entry

“Refrigerant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refrigerant. Accessed 22 Oct. 2026.

Kids Definition

refrigerant

noun
re·​frig·​er·​ant
ri-ˈfrij-(ə-)rənt
: a substance used in refrigeration

Medical Definition

refrigerant

1 of 2 adjective
: allaying heat or fever

refrigerant

2 of 2 noun
: a medicine or an application for allaying fever or its symptoms

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