jello: fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder
hydrocolloid: a substance that forms a gel with water
acetaminophen: an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)