Home › Words › M › mucosubstancemucosubstancemucosubstance means glycosaminoglycan.EtymologyFrom muco- + substance.nounglycosaminoglycanDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.mucedin 69% match — mucin vs mucosubstance →mucoviscous 67% match — mucous and viscous vs mucosubstance →mucin 65% match — Any of several glycoproteins found in mucus vs mucosubstance →mucigen 65% match — A granular substance formed in epithelial cells that, mixed with water, gives rise to mucin. vs mucosubstance →mucopolysaccharide 64% match — Any polysaccharide consisting of alternating units of uronic acids and glycosamines, sometimes esterified with sulfuric acid. vs mucosubstance →mucosin 63% match — A certain naturally-occurring unsaturated bicyclic carboxylic acid vs mucosubstance →mucoprotein 63% match — Any of a group of widely-distributed natural compounds that exist as complexes of proteins with mucopolysaccharides. vs mucosubstance →mucoprotection 62% match — mucoprotective activity vs mucosubstance →