frost
n//fɹɑst//frost, rimfrost, köld, frosta, glacera
A cover of minute ice crystals on objects that are exposed to the air. Frost is formed by the same process as dew, except that the temperature of the frosted object is below freezing.
(intransitive) To become covered with frost.
(transitive) To coat (something, e.g. a cake) with icing to resemble frost.