part-ex1
/ˌpɑːtˈɛks/British
noun
= part exchange.
adjective
Bought or sold in part exchange for something; involving or relating to part exchange.
Origin
1960s; earliest use found in The Times. Shortened from part exchange (originally as graphic abbreviation).
part-ex2
/ˌpɑːtˈɛks/British
verb
[with object] = part-exchange.
Origin
1990s. From part-ex, after part-exchange.