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The term "hoarfrost" is derived from the Old English meaning of frost resembling an old man's beard. The fence around a tennis court is covered with hoarfrost on 24 November 2020, Bavaria ...
Hoar frost, also hoarfrost, radiation frost, or pruina, refers to white ice crystals deposited on the ground or loosely attached to exposed objects, such as wires or leaves. [3] They form on cold, clear nights when conditions are such that heat radiates into outer space faster than it can be replaced from nearby warm objects or brought in by ...
The Oxford English Dictionary derives the word horehound from Old English hoar (furry, as in "hoarfrost") and hune (a word of unknown origin designating a class of herbs or plants). The second element was altered by folk etymology.
Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; In other projects Appearance. ... Frost#Hoar frost; Retrieved from "https: ...
The three main types of ground frost are radiation frost (), advection frost (advection hoar frost) and evaporation frost.The latter is a rare type which occurs when surface moisture evaporates into drier air causing its temperature at the surface to fall at or under the freezing point of water. [1]
A heavy coating of hoar frost, called white frost, is very similar in appearance to soft rime, but the formation process is different; it happens when there is no fog, but very high levels of air relative humidity (above 90%) and temperatures below −8 °C (18 °F). Soft rime formations appear as narrow white icy needles and scales.
The Old Norse name Hrímnir has been translated as 'frosty', [1] 'the one covered with hoarfrost', or 'the sooty one.' Probably intended to evoke the frost giants or hrímþursar (jǫtunn). [ 2 ] [ 3 ]
Hoar may refer to: Hoar (Forgotten Realms), a fictional Faerûnian deity in Dungeons & Dragons; Hoar (surname) Hoar Construction, a heavy construction company headquartered in Birmingham, Alabama; Hoar frost. Depth hoar, a large crystal occurring at the base of a snowpack