antifreeze

From anti- +‎ freeze.

• anti-freeze

antifreeze (countable and uncountable, plural antifreezes)

1. A substance, such as glycol, used to lower the freezing point of water;
2. (automobiles) Automotive antifreeze, a solution of ethylene glycol, used as an additive to water or replacement for water, in the radiators of motorcars.
3. (aviation) Deicer, a heated glycol solution used to remove ice from the aerodynamic surfaces of airplanes, and prevent icing while on the tarmac.

• The plural form antifreezes is used only if more than one kind of antifreeze is meant.