scintillation

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scintillation

 [sin″tĭ-la´shun]
1. the emission of sparks.
2. the sensation of sparks before the eyes.
3. a particle emitted in disintegration of a radioactive element.

scin·til·la·tion

(sin'ti-lā'shŭn),
1. Flashing or sparkling; a subjective sensation as of sparks or flashes of light.
See also: scintillation counter.
2. In radiation measurement, the light produced by an ionizing event in a phosphor, as in a crystal or liquid scintillator.
See also: scintillation counter.
[L. scintilla, a spark]

scin·til·la·tion

(sin'ti-lā'shŭn)
1. Flashing or sparkling; a subjective sensation as of sparks or flashes of light.
2. In radiation measurement, the light produced by an ionizing event in a phosphor, as in a crystal or liquid scintillator.
See also: scintillation counter
[L. scintilla, a spark]

Scintillation or gamma camera

A camera, somewhat like an x-ray machine, used to photograph internal organs after the patient has been injected with a radioactive material.