product substitution
noun
ukus[C]COMMERCE
aproductthat can be usedinsteadof asimilarproduct:
If anitemis out ofstock, aproductsubstitutionisofferedinitsplace.
[U]
asituationwhere acheapproducthas been usedinsteadof a moreexpensiveone inordertoreducecosts:
Investigatorsbelieveunauthorizedproductsubstitutionmay be toblamefor theaccident, in whichpoorqualitypartshad been used torepairtheplane.