/ Dictionary / Index R resinoid: Meaning and Definition of Find definitions for: res•in•oid Pronunciation: (rez'u-noid"), [key] — adj. resinlike. —n. a resinoid substance. a resinous substance synthetically compounded. a gum resin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: resinoid (Thesaurus) resinify resinous 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