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operable
operagoer
operand
operant
operant conditioning
operate
operatic
operatics
operating cash flow
operating costs
operating cycle
operating exposure
operating income
operating lease
operating leverage
operating microscope
operating risk
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opera (2)
o·per·a [ ṓpərə, óppərə ]
Definition:
 
arts 
Plural of  opus
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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