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scintillation

n.
1.(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
2.a rapid change in brightness
3.a brilliant display of wit
4.the quality of glittering or sparkling brightly
5.the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight

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    Idiom of the Day

    get around
    to go to different places, to move about
    My friend gets around and has been to many different cities.



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