/ Dictionary / Index R ricinoleic: Meaning and Definition of Find definitions for: ric•in•o•le•ic Pronunciation: (ris"u-nō-lē'ik, -nō'lē-ik), [key] — adj. Chem. of or derived from ricinoleic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ricin ricinoleic acid Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language