ˌ ̷ ̷ ̷ ̷ˈyu̇rəˌnīd, -_nə̇d noun
( -s )
Etymology: International Scientific Vocabulary polyuron ic (in polyuronic acid ) + -ide
: a polymeric substance consisting of uronic acid units with glycosidic linkages often in combination with monosaccharides and occurring widely in plants (as in gums and pectic substances) and in soils
the polyuronide hemicelluloses are cell wall components widely distributed in the plant world — J.F.Bonner