flicker

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flick·er

(flik'ĕr),
The visual sensation caused by stimulation of the retina by a series of intermittent light flashes occurring at a certain rate.
See also: flicker fusion, critical flicker fusion frequency.

flicker

A rapid, transient and intermittent photic discharge sensed in a visual field.

flicker

The visual sensation of alternating intervals of brightness caused by rhythmic interruption of light stimuli.

flicker

Perception produced when the retina is stimulated by an intermittent light stimulus which fluctuates between a frequency of a few hertz and the critical fusion frequency.
References in periodicals archive ?
The power flickered off briefly at approximately 3.30pm but came on again in seconds.
Moreover, they found that the quasar flickered in one image on a time scale of less than 1 hour.
The sight was so repulsive that she felt faint for a moment, but in that moment's darkness, when her eyelids flickered, she was relieved of the pressure of the present.