From Longman Dictionary of Contemporary Englishsubstitutionsub‧sti‧tu‧tion /ˌsʌbstɪˈtjuːʃən $ -ˈtuː-/ AWL noun [countable, uncountable] REPLACEwhen someone or something is replaced by someone or something else, or the person or thing being replaced Coach Ross made two substitutions in the second half.substitution of something for something the substitution of English for French as the world’s common language
Examples from the Corpus
substitution• Part I of the resolution also urged greater assistance to governments engaged in crop substitution programmes.• First, substitution possibilities are not symmetrical between the skilled and the unskilled labor.• Generic substitution could be achieved in a number of ways.• Some workers did, however, appear to respond as the substitution effect predicted.• Texas state law does not allow for the substitution of an independent candidate once he has won a spot on the ballot.• It can be seen from the table above that the most frequently occurring errors are of the substitution type.• Coach Packard made two substitutions in the second half.substitution of something for something• Wider societal change is important, since the landscape identity can seemingly be preserved by the apparent substitution of space for time.• In 1976 the imposition of price controls on natural gas led to further substitution of oil imports for domestic energy sources.• The reverse, the substitution of passive for active, is, of course, also possible.From Longman Business Dictionarysubstitutionsub‧sti‧tu‧tion /ˌsʌbstəˈtjuːʃən-ˈtuː-/ noun [countable, uncountable] when you use or do something new or different instead of something else, or something new that is used or done like thisThere was a substitution of temporary labour for regular workers. → product substitution → see also elasticity of substitution 