The process of forming or becoming covered with dew, or the action of dew settling on a surface.
From 'dew' (Old English daug) + present participle suffix '-ing.' The verb form describes the ongoing action or process of dew formation.
Dewing happens through condensation—warm air rising from the ground meets cold air above and can't hold all its moisture anymore, so it literally rains upward onto surfaces, which is backwards compared to regular precipitation!
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