antifog

adjective

an·​ti·​fog ˌan-ˌtē-ˈfȯg 

ˌan-tī-

variants or antifogging

ˌan-ˌtē-ˈfȯ-giŋ 

ˌan-tī-

: preventing or inhibiting the buildup of condensation on a surface (such as a lens or window)

lenses with an antifog coating

an antifogging surface

Word History

Etymology

anti- + fog entry 1 or fogging, present participle of fog entry 2

First Known Use

1919, in the meaning defined above