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Orléans
orlistat
Orly
Ormazd
ormer
ormolu
Ormond Beach
ornament
ornamental
ornamentation
ornate
ornery
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orogenesis
or·o·gen·e·sis [ àwrō jénnəssiss ]


noun 
Definition:
 
geology 
Same as  orogeny

or·o·ge·net·ic [ àwrō jə néttik ] adjective
or·o·ge·net·i·cal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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