noun
: any of a group of complex colloidal carbohydrate derivatives of plant origin containing a large proportion of units derived from galacturonic acid and subdivided into protopectins, pectins, pectinic acids, and pectic acids
noun
: any of a group of complex colloidal carbohydrate derivatives of plant origin containing a large proportion of units derived from galacturonic acid and subdivided into protopectins, pectins, pectinic acids, and pectic acids
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012