: 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
Amanda Wallace, USA Today, 9 July 2025
Many units still use refrigerant gases that produce a planetary warming effect that is thousands of times that of a similar amount of CO2.
—Bryan Walsh, Vox, 7 Dec. 2018
Jim Cramer, CNBC, 27 July 2025
This decline is attributed to lower sales prices of certain refrigerants and higher SG&A costs.
—Quartz Intelligence Newsroom, Quartz, 12 Mar. 2025
See All Example Sentences for refrigerant
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Adjective
Check the refrigerant level and top it up if necessary using a DIY refrigerant kit.
—Amanda Wallace, USA Today, 9 July 2025
Many units still use refrigerant gases that produce a planetary warming effect that is thousands of times that of a similar amount of CO2.
—Bryan Walsh, Vox, 7 Dec. 2018
Noun
The chemicals and materials businesses, including sustainable refrigerants, chemicals needed to make semiconductors and materials for carbon capture.
—Jim Cramer, CNBC, 27 July 2025
This decline is attributed to lower sales prices of certain refrigerants and higher SG&A costs.
—Quartz Intelligence Newsroom, Quartz, 12 Mar. 2025
See All Example Sentences for refrigerant
Cite this Entry
“Refrigerant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refrigerant. Accessed 21 Aug. 2025.
Copy CitationMedical Definition
refrigerant
1 of 2 adjective
re·frig·er·ant
ri-ˈfrij-(ə-)rənt 
: allaying heat or fever
refrigerant
2 of 2 noun
: a medicine or an application for allaying fever or its symptoms
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