a. (Biol.) (a) Pertaining to, or formed by, a zymogene. (b) Capable of producing a definite zymogen or ferment. [ 1913 Webster ]

Zymogenic organism (Biol.), a microorganism, such as the yeast plant of the Bacterium lactis, which sets up certain fermentative processes by which definite chemical products are formed; -- distinguished from a pathogenic organism. Cf. Micrococcus. [ 1913 Webster ]