HOARFROST


Meaning of HOARFROST in English

A silvery-white deposit of ice needles formed by direct condensation at temperatures below freezing due to nocturnal radiation. Hoarfrost forms during still, clear nights, is small in amount, needlelike in texture, the "needles" approximately perpendicular to the objects on which they occur, and most abundant along the edges. Sometimes confused with Rime.

Environmental engineering English vocabulary.      Английский словарь экологического инжиниринга.