Definition of orogen in English:

orogen

Syllabification: or·o·gen
Pronunciation: /ˈôrəˌjen, -jən
 
/

noun

Geology
A belt of the earth’s crust involved in the formation of mountains.
More example sentences
  • These collision zones are known as orogenic belts, and the mountains are referred to as orogens.
  • The Delamerian Orogen is a compressional orogen developed by westward vergent folds and thrust faults.
  • Several features of the mountain belt are atypical when compared with other Palaeozoic orogens such as the Appalachians, Caledonides and Variscides.

Origin

1920s: from Greek oros 'mountain' + -gen.

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Word of the day guzzle
Pronunciation: ˈgəzəl
verb
eat or drink (something) greedily