Oxford Dictionary English part exchange nounnoun BrE BrE//ˌpɑːt ɪksˈtʃeɪndʒ// ; NAmE NAmE//ˌpɑːrt ɪksˈtʃeɪndʒ// [uncountable] (British English) Cost and payment Add to my wordlistjump to other resultsa way of buying something, such as a car, in which you give the old one as part of the payment for a more expensive one We'll take your car in part exchange. See related entries: Cost and paymentCheck pronunciation: part exchange oxfordlearnersdictionaries.com