“Hoar frost is a type of feathery frost that forms as a result of specific climatic conditions. The word ‘hoar’ comes from old English and refers to the old age appearance of the frost: the way the ice crystals form makes it look like white hair or a beard.” (from https://www.woodlandtrust.org.uk/blog/2019/02/what-is-hoar-frost/)
by Buddy Hawkins
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