o·rog·e·ny (ô-r j  -n ) also or·o·gen·e·sis (ôr -j n -ss,  r-)n. The process of mountain formation, especially by a folding and faulting of the earth's crust. or o·genic (ôr-jnk, r-) adj.or o·geni·cal·ly adv. |
orogeny [ɒˈrɒdʒɪnɪ], orogenesis [ˌɒrəʊˈdʒɛnɪsɪs]
n
(Earth Sciences / Geological Science) the formation of mountain ranges by intense upward displacement of the earth's crust, usually associated with folding, thrust faulting, and other compressional processes
orogenic [ˌɒrəʊˈdʒɛnɪk], orogenetic [ˌɒrəʊdʒɪˈnɛtɪk] adj
orogenically , orogenetically adv
| orogeny (ô-rj-n) also orogenesis (ôr-jn-ss) The process of mountain formation, especially by folding and faulting of the Earth's crust and by plastic folding, metamorphism, and the intrusion of magmas in the lower parts of the lithosphere. Unlike epeirogeny, orogeny usually affects smaller regions and is associated with evidence of folding and faulting. The long chains of mountains often seen on the edges of continents form through orogeny. |
orogeny
the process by which mountains are created. — orogenic, orogenetic, adj.
See also: Geology
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | orogeny - the process of mountain formation (especially by the upward displacement of the earth's crust) geologic process, geological process - (geology) a natural process whereby geological features are modified |
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