frost

verb

To cover a surface with a layer of ice crystals, or for a surface to become covered.

"The car windows frosted over during the night."

noun

A thin layer of ice crystals forming on surfaces when the temperature drops below freezing.

"The garden was white with frost this morning."

Thesaurus

Synonyms: freeze, icing, rime, hoarfrost, hoar, Robert Frost, Robert Lee Frost, ice