Brit.
■ noun a method of buying something in which an article that one already owns is given as part of the payment for another, more expensive, article.
■ verb ( part-exchange ) give or take in ~.
Brit.
■ noun a method of buying something in which an article that one already owns is given as part of the payment for another, more expensive, article.
■ verb ( part-exchange ) give or take in ~.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004