English

Definition of orogeny noun from the Oxford Advanced Learner's Dictionary

 

orogeny

 noun
noun
BrE BrE//ɒˈrɒdʒəni//
 
; NAmE NAmE//ɔːˈrɑːdʒəni//
 
[uncountable] (geology)
 
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a process in which the outer layer of the earth is folded to form mountains
See the Oxford Advanced American Dictionary entry: orogeny