/ Dictionary / Index V vitreous: Meaning and Definition of Find definitions for: vit•re•ous Pronunciation: (vi'trē-us), [key] — adj. of the nature of or resembling glass, as in transparency, brittleness, hardness, glossiness, etc.: vitreous china. of or pertaining to glass. obtained from or containing glass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vitreous (Thesaurus) vitrectomy vitreous humor Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language