from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A substance that glows when hit by high-energy particles or photons.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics Any substance that glows under the action of photons or other high-energy particles


Sorry, no etymologies found.


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  • His busy day had tired the satyr
    Who declined for now to violate her.
    "I prefer pillows
    To fresh peccadilloes.
    I’ll sleep and won't scintillator."

    April 14, 2015