zymophytehttp://www.oed.com/dictionary/zymophyte_n%3Ftab%3Dmeaning_and_usezymophyte, n.
First published 1921; not fully revised

zymophytenoun

  1. 1890–
    A vegetable organism which causes fermentation.
    Stressed as ˈzymophyte.
    1. 1890
      Zymophytes, bacteroid ferments that liberate fatty acids from neutral fats.
      J. S. Billings, National Medical Dictionary vol. II

Originally published as part of the entry for zymo-, comb. form

zymo-, comb. form was first published in 1921; not fully revised.