orogen
noun
oro·gen
\ˈōrəjə̇n, -ˌjen\
variants: less commonly
orogene
\-ˌjēn\Definition of orogen
-s
1 : a mountain mass that is a unit with respect to origin or uplift
2 : a region of mountain-making disturbance — compare kratogen
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Origin and Etymology of orogen
German orogen, back-formation from orogenie orogeny
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