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orogenesis▼(the process of mountain building by the upward folding of the Earth's crust)noun[UK: ˌɔː.rəʊ.ˈdʒe.nɪ.sɪs] [US: ˌɔːro.ʊ.ˈdʒe.nɪ.sɪs]
orogeny [orogenies]▼(the process of mountain building by the upward folding of the Earth's crust)noun[UK: ɒ.ˈrɒ.dʒə.nɪ] [US: oʊ.ˈrɑː.dʒə.niː]
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