HOARFROST
Source: 566, 567
hoarfrost. Hoarfrost, n. a thin white frost, frozen dew
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Hoar″frost′ (?), n. The white particles formed by the congelation of dew; white frost. [Written also horefrost. See Hoar, a.] He scattereth the hoarfrost like ashes. Ps. cxlvii. 16.