refrigerant

1 of 2

adjective

re·​frig·​er·​ant ri-ˈfri-jə-rənt 

-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

Adjective

In winter, have pros inspect coils, refrigerant, ducts, wiring, the condenser, and thermostat. —Kamron Sanders, The Spruce, 15 Feb. 2026

According to The South China Morning Post (SCMP), this new process is not a new refrigerant or magic coolant. —Christopher McFadden, Interesting Engineering, 1 Feb. 2026

Noun

Unlike a gas furnace, which burns fuel to create heat, a heat pump compresses and expands a refrigerant, like a refrigerator in reverse. —Ben Christopher, Los Angeles Times, 1 Mar. 2026

The researchers stressed the importance of transitioning away from traditional refrigerants, decarbonizing power grids, and prioritizing other adaptive measures, like better insulation and shading. —Simmone Shah, Time, 25 Feb. 2026

Word History

First Known Use

Adjective

1599, in the meaning defined above

Noun

1676, in the meaning defined above

Rhymes for refrigerant

• belligerent

Kids Definition

refrigerant

noun

re·​frig·​er·​ant

ri-ˈfrij-(ə-)rənt

: a substance used in refrigeration

Medical 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