/ Dictionary / Index F fat-soluble: Meaning and Definition of Find definitions for: fat-sol•u•ble Pronunciation: (fat'sol"yu-bul), [key] — adj. Chem. soluble in oils or fats. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fat-soluble (Thesaurus) fatso fatstock 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