Definition: Humidity

Etymology

From Middle English humidite, from Old French humidité, from Medieval Latin humiditas, from Latin umidus (“damp, moist, wet”).

Morphologically humid +‎ -ity

Noun

humidity (usually uncountable, plural humidities)

1. dampness, especially that of the air
2. the amount of water vapor in the air

Derived terms

• absolute humidity
• relative humidity
• specific humidity
• temperature-humidity index

Related terms

• humid
• humidifier
• humidify

Credits

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