Relative humidity
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The ratio of the actual amount of water vapor (absolute humidity) present in the air to the saturation point at the same temperature, usually expressed as a percentage. countable, uncountable
- 2 the ratio of the amount of water in the air at a given temperature to the maximum amount it could hold at that temperature; expressed as a percentage wordnet