出典:Wiktionary
出典:『Wiktionary』 (2025/12/29 05:37 UTC 版)
ice fog (countable and uncountable, plural ice fogs)
出典:Wikipedia
出典:『Wikipedia』 (2011/03/12 14:55 UTC 版)
Ice fog is a type of fog consisting of fine ice crystals suspended in the air. It can happen only in cold areas of the world since water can remain liquid down to -40 °C (-40 °F). It should be distinguished from diamond dust, a precipitation of sparse ice crystals falling from a clear sky.