English version

hoarfrost in Nature topic

From Longman Dictionary of Contemporary Englishhoarfrosthoar‧frost /ˈhɔːfrɒst $ ˈhɔːrfrɒːst/ noun [uncountable] formal  DNWEATHERa thin layer of ice that forms on objects outside when it is very cold syn frost A light hoarfrost covered the fields.
Examples from the Corpus
hoarfrostI open my eyes to a world clothed in the exquisite lace of hoarfrost.