Definitions

from The Century Dictionary.

  • noun Emission of rays or beams, as of light; emission by or as if by rays; radiation.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Emission of radiance.

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

  • noun emission of radiance in all directions

Etymologies

Sorry, no etymologies found.

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