Breadcrumb Home > Dictionary > Index X xylose: Meaning and Definition of Find definitions for: xy•lose Pronunciation: (zī'lōs), [key] — n. Chem. a colorless, crystalline pentose sugar, CHO, derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: xylose (Thesaurus) xylophone xylostroma ✖ Related Content Daily Word Quiz: solecism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language