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orogen

noun
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oro·​gen | \ ˈōrəjə̇n, -ˌjen \
variants: or less commonly orogene \ -​ˌjēn \
plural -s

Definition of orogen

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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History and Etymology for orogen

German orogen, back-formation from orogenie orogeny

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“Orogen.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/orogen. Accessed 20 January 2020.

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