HUMIDITIES

Noun

humidities

plural of humidity

Source: Wiktionary

HUMIDITY

Hu*mid"i*ty, n. Etym: [Cf. F. humidité.]

Definition: Moisture; dampness; a moderate degree of wetness, which is perceptible to the eye or touch; -- used especially of the atmosphere, or of anything which has absorbed moisture from the atmosphere, as clothing.

Note: In hygrometrical reports (as of the United States Signal Service) complete saturation of the air is designated by Humidity 100, and its partial saturation by smaller numbers.

Source: Webster’s Unabridged Dictionary 1913 Edition