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

  • adj. Capable of, suitable for, or exhibiting luminescence.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. emitting light by luminescence

from the GNU version of the Collaborative International Dictionary of English

  • adj. Shining with a light due to any of the various causes which produce luminescence.

from The Century Dictionary and Cyclopedia

  • Characterized by luminescence.

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

  • adj. emitting light not caused by heat


Latin lūmen, lūmin-, light; see lumen + -escent.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From stem of Latin lumen ("light") +‎ -escent (Wiktionary)



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