D defs.my
Entry 2 senses Webster, 1913

Polygenetic

· Pol·y·ge·net·ic · IPA
01 a. Having many distinct sources; originating at various places or times.
  1. 1.
    Having many distinct sources; originating at various places or times.
  2. 2.
    Of or pertaining to polygenesis; polyphyletic.(Biol.)
Phrases & compounds
Polygenetic mountain range — one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development.