FROST has various meanings in the Weather category. Discover the full forms, definitions, and usage contexts of FROST in Weather.
Ice crystals formed by deposition of water vapor on a relatively cold surface. Weather during which dew is deposited as ice. The danger to construction caused by frost is that water expands by about 9% of its volume when it freezes. Therefore concrete or mortar which have not set and contain free water are disintegrated by it.
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