noun. ['ˈpɛktən, ˈpɛktɪn'] any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams.
1. Noun, singular or mass If making jelly, bring to a boil and add powdered or liquid pectin. 2. Noun, plural Add powdered pectin and stir until dissolved.