gelatan -
n. (also gelatine) a virtually colourless tasteless transparent water-soluble protein derived from collagen
and used in food preparation, photography, etc.
gelatin paper a paper coated with sensitized gelatin for photography.
gelatinize v.tr. & intr. (also -ise). gelatinization n. [F g÷latine f. It. gelatina f. gelata JELLY]