1. In computer graphics, an undesirable pulsation of a display image on a cathode ray tube that usually occurs when the refresh rate is low. Note: for typical displays, flicker occurs at a refresh rate of 40 Hz or less.
2. 闪烁
3. 闪动，闪烁，摇晃
语源
Old English flicorian, flycerian 'to flutter', probably of Germanic origin and related to Low German flickern and Dutch flikkerenearly 19th cent.: imitative of its call
