zoonerythrinhttp://www.oed.com/dictionary/zoonerythrin_n%3Ftab%3Dmeaning_and_usezoonerythrin, n.
Revised 2017

zoonerythrinnoun

Now disused.
  1. 1882–
    A red carotenoid pigment found animals, esp. in the plumage of certain birds; = zooerythrin n.
    1. 1882
      Zoönerythrin, another red pigment of much wider distribution, is found in red feathers.
      Bulletin Nuttall Ornithol. Club vol. 7 115
    2. 1883
      Three different substances have been found in the red and yellow feathers of birds, to which have been given the names Turacin, Zoonerythrin, and Zoofuloin.
      Annual Rep. Board Regents Smithsonian Inst. 1881 476 in U.S. Congressional Serial Set (47th Congr., 1st Sess.: Senate Misc. Doc. 109) vol. II
    3. a1933
      The lobster has a second pigment, quite apart from zoönerythrin.
      J. A. Thomson, Biology for Everyman (1934) vol. I. xi. 226

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

zoo-, comb. form was revised in June 2017.