/ Dictionary / Index O osmometer: Meaning and Definition of Find definitions for: os•mom•e•ter Pronunciation: (oz-mom'i-tur, os-), [key] — n. an instrument used in osmometry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. osmo- osmometry Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language