/ Dictionary / Index L lipopolysaccharide: Meaning and Definition of Find definitions for: lip•o•pol•y•sac•cha•ride Pronunciation: (līp'ō-pol"ē-sak'u-rīd", -rid, lī'pō-), [key] — n. Biochem. any of a class of polysaccharides to which lipids are attached. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lipophilic lipoprotein 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