brand extension ˈbrand exˌtension noun [countable, uncountable]
MARKETING adding a new product to an existing branded group of products:
• Keystone Dry beer is a brand extension of the company's Keystone and Keystone Light brands.
— see also line extension* * *
brand extension UK US noun [U]
► MARKETING, COMMERCE the process of using an existing brand name to introduce new products or services: »
One of the country's leading radio groups is planning brand extension into pay-TV.
Financial and business terms. 2012.