orogeny

noun

orog·​e·​ny ȯ-ˈrä-jə-nē How to pronounce orogeny (audio)
: the process of mountain formation especially by folding of the earth's crust
orogenic adjective

Examples of orogeny in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But today’s most visible on-the-ground evidence of the colliding land masses are the mountain ranges running from Georgia to Maine that arose during the Appalachian orogeny. Washington Post, 4 June 2021 That continental smash-up is called the Alleghanian orogeny. Ken Jennings, Condé Nast Traveler, 17 July 2017

Word History

Etymology

probably borrowed from French orogénie, from oro- oro- entry 1 + -génie -geny

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of orogeny was in 1890

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Cite this Entry

“Orogeny.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orogeny. Accessed 6 Jul. 2026.

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