Definition of: collotype

(kol′ə·tīp) noun
1. A photomechanical printing process in which the negative is printed on a plate covered with a light-sensitive gelatin coat which is then rendered selectively ink-repellent by treatment with glycerin and salt water.
2. A print or plate made by this process.
—v.t. ·typed, ·typ·ing To make a collotype of. [<Gk. kolla glue + -TYPE]
—col·lo·typ·ic (kol′ə·tip′ik) adjective
—col·lo·typ·y (kol′ə·tī′pē) noun