Gly"co*coll (?), n. [Gr.
glyky`s sweet + ko`lla glue.] (Physiol.
Chem.) A crystalline, nitrogenous substance, with a sweet
taste, formed from hippuric acid by boiling with hydrochloric acid,
and present in bile united with cholic acid. It is also formed from
gelatin by decomposition with acids. Chemically, it is amido-acetic
acid. Called also glycin, and glycocin.