zygosishttp://www.oed.com/dictionary/zygosis_n%3Ftab%3Dmeaning_and_usezygosis, n.
First published 1921; not fully revised

zygosisnoun

Biology.
  1. 1880–
    1. 1880
      F. P. Pascoe, Zoological Classification (ed. 2) 297.
    2. 1881–2
      W. Saville-Kent, Manual of Infusoria vol. II. 874.

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

zygosis, n. was last modified in July 2023.