: 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
Staff Report, Hartford Courant, 1 Feb. 2025
The heat pump compressor moves refrigerant through the coils to capture or release heat.
—Brandee Gruener, Southern Living, 28 Jan. 2025
Thomas Grizzetti, Forbes, 23 Dec. 2024
The entire process uses minimal electricity, supplied primarily by 4,700 solar panels on the atoll, and does not use any refrigerants.
—Sarah Kuta, Smithsonian Magazine, 7 Jan. 2025
See all Example Sentences for refrigerant 
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Adjective
The Rocky Hill Fire Department responded to a Stop & Shop at 80 Town Line Road around 7:40 p.m. Friday on a report of a refrigerant leak, according to fire officials.
—Staff Report, Hartford Courant, 1 Feb. 2025
The heat pump compressor moves refrigerant through the coils to capture or release heat.
—Brandee Gruener, Southern Living, 28 Jan. 2025
Noun
However, these refrigerants are being phased out due to environmental regulations aimed at protecting the ozone layer.
—Thomas Grizzetti, Forbes, 23 Dec. 2024
The entire process uses minimal electricity, supplied primarily by 4,700 solar panels on the atoll, and does not use any refrigerants.
—Sarah Kuta, Smithsonian Magazine, 7 Jan. 2025
See all Example Sentences for refrigerant
Dictionary Entries Near refrigerant
Cite this Entry
“Refrigerant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refrigerant. Accessed 12 Feb. 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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