'Polygenetic mountain range' definitions:

Definition of 'Polygenetic mountain range'

From: GCIDE

Polygenetic \Pol`y*ge*net"ic\, a.
1. Having many distinct sources; originating at various places or times. [1913 Webster]
2. (Biol.) Of or pertaining to polygenesis; polyphyletic. [1913 Webster]
Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. --Dana. [1913 Webster]