ˈscreen ˌsaver BrE AmE noun [countable]
a computer program that makes a moving image appear on the screen when the image on it has not changed for a period of time, especially so that the screen does not become damaged
ˈscreen ˌsaver BrE AmE noun [countable]
a computer program that makes a moving image appear on the screen when the image on it has not changed for a period of time, especially so that the screen does not become damaged
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012