霜,白霜
Hoarfrost \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.
hoarfrost n : ice crystals forming a white deposit (especially on objects outside) [syn: {frost}, {hoar}, {rime}]