Definition of screen saver noun from the Oxford Advanced Learner's Dictionary


screen saver

BrE BrE//ˈskriːn seɪvə(r)//
; NAmE NAmE//ˈskriːn seɪvər//
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a computer program that replaces a screen display on a computer with another, moving, display after a particular length of time, to stop the screen from being damaged
See the Oxford Advanced American Dictionary entry: screen saver