O1R1O1G2E1N1Y4
11 points
OROGENY is validvalid
the process of mountain formation [n OROGENIES]
the process of mountain making, esp. by folding of the earth's crust [n OROGENIES]
the process of mountain formation [n OROGENIES]
the process of mountain making, esp. by folding of the earth's crust [n OROGENIES]