| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
frost (frɒst) ![]() | |
| —n | |
| 1. | See also hoarfrost a white deposit of ice particles, esp one formed on objects out of doors at night |
| 2. | an atmospheric temperature of below freezing point, characterized by the production of this deposit |
| 3. | degrees below freezing point: eight degrees of frost indicates a temperature of either --8°C or 24°F |
| 4. | informal something given a cold reception; failure |
| 5. | informal coolness of manner |
| 6. | the act of freezing |
| —vb | |
| 7. | to cover or be covered with frost |
| 8. | (tr) to give a frostlike appearance to (glass, etc), as by means of a fine-grained surface |
| 9. | chiefly (US), (Canadian) (tr) to decorate (cakes, etc) with icing or frosting |
| 10. | (tr) to kill or damage (crops, etc) with frost |
| [Old English frost; related to Old Norse, Old Saxon, Old High German frost; see | |
| 'frostlike | |
| —adj | |
frost (frôst)
n.
A deposit of minute ice crystals formed when water vapor condenses at a temperature below freezing.
| frost (frôst) Pronunciation Key
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. |
frost definition
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frosted (over) definition
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(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.