any of a group of closely related colloids derived from Irish moss and several other red algae,widely used as a thickening,stabilizing,emulsifying,or suspending agent in industrial,pharmaceutical,and food products

• 任一种从角叉菜和几种其他红藻类中制成的紧密关联的胶体，作为浓化剂、稳定剂、乳化剂或悬浮剂而广泛用于工业品、药品和食品生产中