orogen

noun

oro·​gen

ˈōrəjə̇n,

-ˌjen

variants or less commonly orogene

-ˌjēn

plural -s

1

: a mountain mass that is a unit with respect to origin or uplift

2

: a region of mountain-making disturbance compare kratogen

Word History

Etymology

German orogen, back-formation from orogenie orogeny

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