poly·ge·net·ic /-ʤəˈnɛtɪk/
Pol·y·ge·net·ic a.
1. Having many distinct sources; originating at various places or times.
2. Biol. Of or pertaining to polygenesis; polyphyletic.
Polygenetic mountain range Geol., one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development.
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