refrigerant

Cooling or freezing; refrigerating.

Reducing fever.

A substance, such as air, ammonia, water, or carbon dioxide, used to provide cooling either as the working substance of a refrigerator or by direct absorption of heat.

An agent used to reduce fever.

Abating heat; cooling.

Anything which abates the sensation of heat, or cools.

Figuratively, anything which allays or extinguishes.

A refrigerating agent; a refrigerator.

That which makes to be cool or cold; specifically, a medicine or an application for allaying fever, or the symptoms of fever; — used also figuratively.

Cooling; allaying heat or fever.