pec.tin
n.（名词）
Any of a group of water-soluble colloidal carbohydrates of high molecular weight found in ripe fruits, such as apples, plums, and grapefruit, and used to jell various foods, drugs, and cosmetics.
果胶：任一种用于凝结各种食物、药品和化装品的高分子量且溶于水的胶质碳水化合物，存在于如苹果、杏和葡萄等成熟的水果中
来源：
French pectine
法语 pectine
from Greek pôktos [coagulated]
源自 希腊语 pôktos [凝结的]
from pôgnunai [to coagulate] * see pag-
源自 pôgnunai [凝结] *参见 pag-
【引伸】
pec.tic 或
pec.tinous
adj.（形容词）
