zymogenoushttp://www.oed.com/dictionary/zymogenous_adj%3Ftab%3Dmeaning_and_usezymogenous, adj.
First published 1921; not fully revised

zymogenousadjective

Biochemistry.
  1. 1877–
    Producing a ferment, or causing fermentation.
    Stressed as zyˈmogenous.

Originally published as part of the entry for zymogen, n.

zymogen, n. was first published in 1921; not fully revised.