glycosaminoglycan
noun
gly·cos·ami·no·gly·can ˌglī-kō-sə-ˌmē-nō-ˈglī-ˌkan 
-kō-ˌsa-mə-nō-
-kō-ˌsa-mə-nō- : any of various polysaccharides derived from an amino hexose that are constituents of mucoproteins, glycoproteins, and blood-group substances
called also mucopolysaccharide
Word History
Etymology
glyc- + hexosamine (amine derived from a hexose) + -o- + glycan
First Known Use
1962, in the meaning defined above
Medical Definition
glycosaminoglycan
noun
gly·cos·ami·no·gly·can ˌglī-kō-sə-ˌmē-nō-ˈglī-ˌkan -kō-ˌsam-ə-nō-
-kō-ˌsam-ə-nō- : any of various polysaccharides derived from an amino hexose that are constituents of mucoproteins, glycoproteins, and blood-group substances
called also mucopolysaccharide