/ Dictionary / Index E eudiometer: Meaning and Definition of Find definitions for: eu•di•om•e•ter Pronunciation: (y"dē-om'i-tur), [key] — n. Chem. a graduated glass measuring tube for gas analysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eudiometer (Thesaurus) eudemonism eudiometry Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language