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: s. counter. [L. scintilla, a spark]
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scin·til·la·tion .sint-əl-'ā-shən n, often attrib a flash of light produced in a phosphor by an ionizing event
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scin·til·la·tion (sin″tĭ-laґshən) [L. scintilla spark] 1. an emission of sparks. 2. a subjective visual sensation, as of seeing sparks. 3. a particle emitted in disintegration of a radioactive element.Medical dictionary. 2011.