/ Dictionary / Index R refinery: Meaning and Definition of Find definitions for: re•fin•er•y Pronunciation: (ri-fī'nu-rē), [key] — pl. -er•ies. an establishment for refining something, as metal, sugar, or petroleum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: refinery (Thesaurus) refinement refinish Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language