ˌambient ˈadvertising BrE AmE noun [uncountable]
advertising that is present on objects that are not usually expected to have advertising, for example on a train ticket or a ↑ receipt
ˌambient ˈadvertising BrE AmE noun [uncountable]
advertising that is present on objects that are not usually expected to have advertising, for example on a train ticket or a ↑ receipt
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012