释义 |
black frost
black frostn. A dry freeze without the protective formation of hoarfrost that results in the internal freezing and death of vegetation.black frost n (Physical Geography) a frost without snow or rime that is severe enough to blacken vegetation black frost
black frost[¦blak ′frȯst] (hydrology) A dry freeze with respect to its effects upon vegetation, that is, the internal freezing of vegetation unaccompanied by the protective formation of hoarfrost. Also known as hard frost. |