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scintill- (Latin: light, shine, spark, sparkle, twinkle).

An image or other record of part of the body obtained by measuring radiation from an introduced radioactive tracer by means of scintillation or an analogous detection method. From scinti (llation) + gram.
1. A device for producing scintigrams.
2. A scintigram.
The production and use of scintigrams.
A spark; always, a minute particle, an atom.
Scintillating; emitting sparks.
A device for viewing the effect of ionizing radiation, alpha particles, on a fluorescent screen
1. To send forth sparks or little flashes of light; to sparkle, twinkle.
2. To twinkle rapidly as of stars. Such star twinkling is caused by constant small changes in the atmosphere's density.
3. A reference to a phosphor: to fluoresce momentarily when struck by a charged particle or high-energy photon.
4. To emit as a spark or sparks; to send forth (sparkles of light); to flash forth.
4. To be ornamented with bright specks.>

Scintillate, scintillate, globule vivific!

Fain would I fathom thy nature specific,

Distantly poised in the ether capacious,

Closely resembling a gem carbonaceous.

Do you have a problem understanding the sesquipedalian version? If so, here it is in a simple format.

Twinkle, twinkle, little star!

How I wonder what you are,

Up above the world so high,

Like a diamond in the sky.

1. That which scintillates; sparkling.
2. Hallucinatory flickering patterns and gaps in the visual field as seen in migraine.
1. Sparkling; a subjective sensation, as of seeing sparks.
2. A tiny flash of light, especially one produced in certain substances (scintillators) when a photon or an ionizing particle deposits energy in the scintillator by ionizing one or more atoms. Typically there is one scintillation for each ionizing event. The flashes can be counted electronically, and the average count rate then measures the intensity of the incident radiation.
3. The action of scintillating; emission of sparks or spark-like flashes of light; a spark.
4. The twinkling or tremulous motion of the light from fixed stars or a rapid twinkling of stars caused by constant small changes in the atmosphere's density.
5. A small flash of visible or ultraviolet light emitted by fluorescence in a phosphor when it is struck by a charged particle or high-energy photon.
6. Figuratively, a flash, a brilliant display (of wit, of thought).
Scintillating feebly.
1. An instrument for measuring the intensity of the scintillation of the stars.
2. A device containing a scintillator for detecting and measuring low intensities of ionizing radiation.
An instrument in which alpha rays are detected by the flashes of light that are emitted when they strike a fluorescent screen.
Photographing the scintillations emitted by radioactive substances injected into the body; used to determine the outline and function of organs and tissues in which the radioactive substance collects or is secreted.
1. An autoradiograph obtained with a scintiscanner.
2. The use of scintiphotography to create a map of scintillations produced when a radioactive substance is introduced into the body. The intensity of the record indicates the differential accumulation of a substance in the various parts of the body.
A motor-driven scintillation probe with an automatic recording device, producing an image on paper or on x-ray film. The detector is often interfaced with a computer that processes the data to give a more informative reading.