scintilla /sin-tilˈə/

1. A spark
2. A hint, trace

scinˈtillant adjective

Sparkling

scinˈtillate intransitive verb

1. To sparkle
2. (of an atom) to emit a unit of light after having been struck by a photon or a particle of ionizing radiation
3. To be dazzlingly impressive or animated
4. To talk wittily

1. To emit in sparks
2. To sparkle with

scinˈtillāting adjective

scinˈtillātingly adverb

scintillāˈtion noun

1. A flash of light produced in a phosphor by an ionizing particle, eg an alpha particle, or a photon
2. The twinkling of stars due to rapid changes in their brightness caused by variations in the density of the atmosphere through which their light rays pass

scinˈtillātor noun

1. An instrument for detecting radioactivity
2. A phosphor that produces scintillations

scintillˈiscan noun

Same as scintiscan (see under scintigraphy)

scintillomˈeter noun

An instrument for detecting and measuring radioactivity

scintillˈoscope or scintillˈascope noun

An instrument which shows scintillations on a screen, used to produce a scintigram

scintillation counter noun

A scintillometer

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