Gelatin
GEL'ATIN, noun [Latin gelo, to congeal, to freeze.]
A concrete animal substance, transparent, and soluble slowly in cold water, but rapidly in warm water. With tannin, a yellowish white precipitate is thrown down from a solution of gelatin which forms and elastic adhesive mass, not unlike vegetable gluten, and is a compound of tannin and gelatin
GEL'ATIN