orogeny in British English
(ɒˈrɒdʒɪnɪ) or orogenesis (ˌɒrəʊˈdʒɛnɪsɪs)
nounthe formation of mountain ranges by intense upward displacement of the earth's crust, usually associated with folding, thrust faulting, and other compressional processes
Derived forms
orogenic (ˌɒrəʊˈdʒɛnɪk) or orogenetic (ˌɒrəʊdʒɪˈnɛtɪk) adjective
orogenically (ˌoroˈgenically) or orogenetically (ˌorogeˈnetically) adverb