1 of 2


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


2 of 2


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

Examples of refrigerant in a Sentence

Recent Examples on the Web
All air conditioners pump a refrigerant fluid—that absorbs heat—through a series of coils to move heat from one location to another. Matt Crisara, Popular Mechanics, 21 Aug. 2023 Installing a mini-split is a pretty big job, because the refrigerant tube must travel through your wall from the exterior unit to the interior air handler, and the unit needs to hard-wired to your home's electrical system. Amber Nolan, Treehugger, 13 July 2023 To lessen refrigerant pollution and reduce waste, Windmill offers customers a recycling directory for safely disposing of their old AC unit. Sherrie Nachman, Forbes, 1 July 2022 According to the federal Environmental Protection Agency, the main HFO refrigerant chemical has a global warming potential of 4, while carbon dioxide, when used as a refrigerant, has a potential of 1. Mark Schleifstein,, 22 Dec. 2020 Several thermal shields meant to keep ITER’s liquid helium refrigerant cold and protect the walls of the machine corroded and cracked because of the way the welds interacted with an acid used to wash the metal. Charles Seife, Scientific American, 15 June 2023 Owners need to keep an eye on fluids (coolant, refrigerant, windshield wash), tires, and brake pads and rotors, though the latter items ought to last longer than those of cars with internal combustion engines as the regenerative braking function of EVs puts less wear on the mechanical braking bits. Brendan McAleer, Car and Driver, 26 Oct. 2022 Declines in refrigerant emissions under previous cap-and-trade schemes were faster and cheaper than originally anticipated: CFCs, for example, were eliminated in the US within a decade after they were first targeted in 1997, despite an original plan calling for a 50% reduction over 12 years. Tim McDonnell, Quartz, 4 May 2021 At DuPont, the new arrangement housed the company's Freon refrigerant division. George Musser, Scientific American, 14 Mar. 2023
As a bonus, refrigerants—which are often greenhouse gases that are many times more potent than carbon dioxide—aren’t involved at all. Lauren Leffer, Scientific American, 29 Aug. 2023 There are several ways to cool things off, but the most common method is using a compressor and refrigerant. Rhett Allain, WIRED, 25 Aug. 2023 So the industry is keen to find alternate refrigerants. IEEE Spectrum, 14 Mar. 2023 Anhydrous ammonia is necessary for fertilizers and refrigerants. The Indianapolis Star, 25 July 2023 Fans are cheaper to run than an air conditioner, use a fraction of the electricity consumed by A/C units, and do not require planet-heating refrigerants. Amber Nolan, Treehugger, 10 July 2023 Heat pumps are also compatible with natural refrigerants with lower climate impacts. IEEE Spectrum, 5 July 2023 The regulations governing power plants come on the heels of other Biden administration plans to cut tailpipe emissions by speeding up the country’s transition to electric vehicles, to curb methane leaks from oil and gas wells and to phase down the use of a planet-warming chemical in refrigerants. Coral Davenport, New York Times, 11 May 2023 That refrigerant slowly leaks into the atmosphere over a heat pump’s lifetime – though most of the emissions occur at the end of its lifetime if the remaining refrigerant isn’t properly disposed of. Gwozniac, oregonlive, 26 Jan. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'refrigerant.' 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


1599, in the meaning defined above


1676, in the meaning defined above

Time Traveler
The first known use of refrigerant was in 1599

Dictionary Entries Near refrigerant

Cite this Entry

“Refrigerant.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2023.

Kids Definition


: a substance used in refrigeration

Medical Definition


1 of 2 adjective
re·​frig·​er·​ant ri-ˈfrij-(ə-)rənt How to pronounce refrigerant (audio)
: allaying heat or fever


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

More from Merriam-Webster on refrigerant

Last Updated: - Updated example sentences
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