/ Dictionary / Index H hemicellulose: Meaning and Definition of Find definitions for: hem•i•cel•lu•lose Pronunciation: (hem"i-sel'yu-lōs"), [key] — n. any of a group of gummy polysaccharides, intermediate in complexity between sugar and cellulose, that hydrolyze to monosaccharides more readily than cellulose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hemic hemichordate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language