I. ˈ ̷ ̷(ˌ) ̷ ̷ˌ- noun
( -s )
Etymology: anti- (I) + freeze, v.
: a substance (as alcohol) added to a liquid (as the coolant in an automobile, tractor, or airplane engine) to lower its freezing point
II. noun
: any of various substances (as proteins or alcohols) that are found in some living organisms (as certain fish, amphibians, and insects) and serve to lower the freezing point of body fluids especially by limiting ice crystal growth