D defs.my
Entry 1 sense Webster, 1913

Polygenism

/(pō̇*lĭj"ē̇*nĭz'm)/ · Po·lyg·e·nism · IPA /pəˈlɪd͡ʒənɪzəm/
01 n. The doctrine that animals of the same species have sprung from more than one original pair.
  1. 1.
    The doctrine that animals of the same species have sprung from more than one original pair.(Biol.)