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operator
operator gene
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operationalism
op·er·a·tion·al·ism [ òppə ráyshən'l ìzzəm, òppə ráyshnə lìzzəm ]


noun 
Definition:
 
defining of concepts in terms of practicalities: the view that terms for scientific concepts should be defined using the scientific operations such as measuring or observing performed to establish or disprove them

op·er·a·tion·al·ist noun, adjective
op·er·a·tion·al·is·tic [ òppə rayshən'l ístik, òppə rayshnə lístik ] adjective
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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