/ Dictionary / Index D dasymeter: Meaning and Definition of Find definitions for: da•sym•e•ter Pronunciation: (da-sim'i-tur), [key] — n. an instrument for determining the density of a gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dasymeter (Thesaurus) dasy- dasyphyllous Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language