or op·er·a·tion·ism

[ op-uh-rey-shuh-nl-iz-uh m or op-uh-rey-shuh-niz-uh m ]
/ ˌɒp əˈreɪ ʃə nlˌɪz əm or ˌɒp əˈreɪ ʃəˌnɪz əm /

noun Philosophy.

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

OTHER WORDS FROM operationalism

op·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. 2019

British Dictionary definitions for operationalism


operationism (ˌɒpəˈreɪʃəˌnɪzəm)

/ (ˌɒpəˈreɪʃənəˌlɪzəm) /


philosophy the theory that scientific terms are defined by the experimental operations which determine their applicability

Derived forms of operationalism

operationalistic, 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