Definition of black frost in English:

black frost

Line breaks: black frost

noun

[mass noun]
  • Frost which does not have a white surface.
    More example sentences
    • For two weeks we had a black frost day and night with a strong east wind and then on February 2nd, when everywhere was bone dry at 3pm, the snow started to fall.
    • A black frost is when the dew point is less than the low temperature reached.
    • We had black frost in late winter last year with minimum of -5 degree C.

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