/ Dictionary / Index V viscoid: Meaning and Definition of Find definitions for: vis•coid Pronunciation: (vis'koid), [key] — adj. somewhat viscous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. viscoelastic viscometer Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language