Meaning of glycosaminoglycan

gly•cos•a•mi•no•gly•can

Pronunciation: (glī"kōs-u-mē"nō-glī'kan), [key]
— n.
  1. any of a class of polysaccharides derived from hexosamine that form mucins when complexed with proteins: formerly called mucopolysaccharide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.