/ Dictionary / Index S stearo-: Meaning and Definition of Find definitions for: stearo- Pronunciation: [key] a combining form borrowed from Greek, where it meant “fat”, used with this meaning, and with reference to stearic acid and its related compounds, in the formation of compound words: stearoptene; stearoyl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stearin stearoptene Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language