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The view that all theoretical terms in science must be defined only by their procedures or operations.
(Philosophy) philosophy the theory that scientific terms are defined by the experimental operations which determine their applicability
op•er•a•tion•al•ism(ˌɒp əˈreɪ ʃə nlˌɪz əm)
the view that experimental operations must define scientific terms and concepts.
op`er•a′tion•al•ist, n., adj.
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|Noun||1.||operationalism - (philosophy) the doctrine that the meaning of a proposition consists of the operations involved in proving or applying it|
philosophy - the rational investigation of questions about existence and knowledge and ethics