/ Dictionary / Index A absolute humidity: Meaning and Definition of Find definitions for: ab'solute humid'ity Pronunciation: [key] the mass of water vapor present in a unit volume of moist air. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. absolute convergence absolute impediment Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language