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A deposit of minute ice crystals formed when water vapor condenses at a temperature below freezing.
A deposit of tiny, white ice crystals on a surface. Frost forms through sublimation, when water vapor in the air condenses at a temperature below freezing. It gets its white color from tiny air bubbles trapped in the ice crystals. See more at dew point.
(Heb. kerah, from its smoothness) Job 37:10 (R.V., "ice"); Gen. 31:40; Jer. 36:30; rendered "ice" in Job 6:16, 38:29; and "crystal" in Ezek. 1:22. "At the present day frost is entirely unknown in the lower portions of the valley of the Jordan, but slight frosts are sometimes felt on the sea-coast and near Lebanon." Throughout Western Asia cold frosty nights are frequently succeeded by warm days. "Hoar frost" (Heb. kephor, so called from its covering the ground) is mentioned in Ex. 16:14; Job 38:29; Ps. 147:16. In Ps. 78:47 the word rendered "frost" (R.V. marg., "great hail-stones"), _hanamal_, occurs only there. It is rendered by Gesenius, the Hebrew lexicographer, "ant," and so also by others, but the usual interpretation derived from the ancient versions may be maintained.