Flicker

Flicker may refer to:

Flickers, woodpeckers of the subgenus Colaptes
Flicker (screen), a darkness artifact that occurs on a video display not present in source material
Flicker (light), a perceptible change in brightness of a light source
Flicker, a guitar tremolo made by ESP Guitars in the late 1970s and early 1980s

Science/Engineering

A system may flicker (jump between basins of attraction) as it approaches a critical transition.
Power-line flicker, a fluctuation in the voltage of AC power lines, whose compliance is regulated by IEC61000-3-3
Flicker noise, electrical noise with a 1/f spectrum.

Flicker, the sophomore album by Ayria
Flicker, the original bass guitarist for the band Manic Street Preachers
Flicker, a character in the cartoon and video game Blazing Dragons
Flicker (novel), by Theodore Roszak
Flicker, a candle maker transformed into a candle man appearing in The Ice King of Oz and subsequent books by Eric Shanower
Flicker, a 1973 pinball table made by Bally
Flicker Records, a record label belonging to Sony
Flicker (album), the debut studio album by Niall Horan, or its title track
The Flicker, an experimental film created in 1965 by Tony Conrad
Flicker (film), a 2008 Canadian film
"Flicker" (song), a song by Porter Robinson from the album Worlds
"Flicker", a song by Audio Adrenaline from the album Some Kind of Zombie
"Flicker", a song by Poppy from the album Zig (album)