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operationalism

or op·er·a·tion·ism

[op-uh-rey-shuh-nl-iz-uh m or op-uh-rey-shuh-niz-uh m]
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noun Philosophy.
  1. the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.

Origin of operationalism

First recorded in 1930–35; operational + -ism
Related formsop·er·a·tion·al·ist, nounop·er·a·tion·al·is·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for operationalism

operationalism

operationism (ˌɒpəˈreɪʃəˌnɪzəm)

noun
  1. philosophy the theory that scientific terms are defined by the experimental operations which determine their applicability
Derived Formsoperationalistic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012