frost
noun
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weather cold enough to cause freezingfreeze
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the formation of frost or ice on a surfaceicing
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ice crystals forming a white deposit (especially on objects outside)hoar
verb
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damage by frost“The icy precipitation frosted the flowers and they turned brown”
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cover with frost“ice crystals frosted the glass”
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provide with a rough or speckled surface or appearance“frost the glass”
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decorate with frosting“frost a cake”ice