Scintillation

Scintillation can refer to:
 * Scintillation (astronomy), atmospheric effects which influence astronomical observations
 * Interplanetary scintillation, fluctuations of radio waves caused by the solar wind
 * Scintillation (physics), a flash of light produced in certain materials when they absorb ionizing radiation
 * Scintillation (radar), an apparent rapid target displacement occurring on radar displays
 * Scintillation (medicine), a rapidly oscillating pattern of visual distortions, often associated with migraine aura
 * Scintillation counter, a device that measures ionizing radiation
 * Scintillating grid illusion, an image in which compounded color contrasts cause an optical illusion of visual artifacts