Humidity

Definition
Humidity is the amount of moisture in the air. When water evaporates, it often stays in the air as water vapor. Because humans cool themselves by sweating, which evaporates to cool, when we are in a humid environment we can’t effectively sweat to stay cool.
Synonyms
Humid, water vapor, moisture, absolute humidity, relative humidity, specific humidity
Abbreviations
HMD, Hum, Hm
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