- moisture condensed from the atmosphere, especially at night, and deposited in the form of small drops upon any cool surface.
- something like or compared to such drops of moisture, as in purity, delicacy, or refreshing quality.
- moisture in small drops on a surface, as tears or perspiration.
verb (used with object)
- to wet with or as with dew.
- distant early warning.
- drops of water condensed on a cool surface, esp at night, from vapour in the air
- (in combination)dewdrop
- something like or suggestive of this, esp in freshnessthe dew of youth
- small drops of moisture, such as tears
- (tr) poetic to moisten with or as with dew
Old English deaw, from Proto-Germanic *dawwaz (cf. Old Saxon dau, Old Frisian daw, Middle Dutch dau, Old High German tau, German Tau, Old Norse dögg “dew”), from PIE root *dheu- (2) “to flow” (cf. Sanskrit dhavate “flows, runs”).
- Water droplets condensed from the air, usually at night, onto cool surfaces near the ground. Dew forms when the temperature of the surfaces falls below the dew point of the surrounding air, usually due to radiational cooling. See also frost.