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ordo
ordonnance
Ordovician
ordure
Ore.
ore
öre
øre
ore dressing
Ore Mountains
oread
Örebro
Oreg.
oregano
Oregon City
Oregon grape
Oregon myrtle
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ore dressing
ore dress·ing


noun 
Definition:
 
removal of unwanted rock from ores: the separation of the mineral content of an ore from the unwanted rock
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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