Dictionary

antifreeze

noun an·ti·freeze \ˈan-ti-ˌfrēz\

: a substance that is added to the water in a vehicle's engine to prevent it from freezing

Full Definition of ANTIFREEZE

1
:  a substance added to a liquid (as the water in an automobile engine) to lower its freezing point
2
:  any of various substances (as proteins or alcohols) that are found in some living organisms (as certain fish and insects) and serve to lower the freezing point of body fluids especially by limiting ice crystal growth

First Known Use of ANTIFREEZE

1903

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