单词	orogen
释义	orogen /ˈɒrədʒ(ə)n / noun Geology A belt of the earth’s crust involved in the formation of mountains.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.
随便看	deform deformable deformation deformational deformed deformity DEFRA defrag defragger defragment defragmentation defragmenter defraud defrauder defray defrayable defrayal defrayment defriend defrock defrost defroster deft defterdar deftly

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