Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To be or become luminescent.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To give off light, including in the invisible electromagnetic radiation frequencies, or become luminescent.

from The Century Dictionary and Cyclopedia

  • To emit light other than that due to ordinary incandescence. See luminescence.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. be or become luminescent; exhibit luminescence

Etymologies

Back-formation from luminescence.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Back-formation from luminescent. (Wiktionary)

Examples

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