D defs.my
Entry 1 sense Webster, 1913

Isogonism

· I·sog·o·nism · IPA
01 n. The quality of having similar sexual zooids or gonophores and dissimilar hydrants; -- said of certain hydroids.
  1. 1.
    The quality of having similar sexual zooids or gonophores and dissimilar hydrants; -- said of certain hydroids.(Zool.)