Definition of hoar frost in English:

hoar frost

Line breaks: hoar frost
Pronunciation: /ˈhɔːfrɒst
 
/

noun

[mass noun]
  • A greyish-white crystalline deposit of frozen water vapour formed in clear still weather on vegetation, fences, etc..
    More example sentences
    • It is actually dew if it forms at temperatures above freezing, but if it forms below freezing it is hoar frost.
    • He opens his feature on the shoreline of the savage Barents Sea as a group of 30 men trudge up a snow-covered dune, eyebrows laced with hoar frost.
    • Seely states that surface hoar frost forms only during the summer due to sunshine and fog.
    Synonyms
    frost, ground frost, rime, rime frost, verglas
    informal Jack Frost
    archaic hoar

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