pectin

n [U] (chemistry 化) substance similar to sugar that forms in some fruit when ripe and causes jam to set 果胶.

pearl button, pearl-gray, pearl-oyster, pearly, pearmain, peasant, peasantry, pease-pudding, peat, peaty, pebble, pebble-dash, pebbly, pecan, peccadillo, peccary, peck, pecker, peckish, pectic, pectoral, pectorals, peculate, peculation, peculiar, peculiarity, peculiarly, pecuniary, ped-, pedo-, pedagogically, pedagogue, pedagogue (US pedagog), pedagogy, pedal, pedal bin, pedant, pedantic, pedantically, pedantry, peddle,