from The Century Dictionary.

  • noun The act or fact of becoming or making light or less heavy.
  • noun A becoming light; the break of day. See lightning, 1.
  • noun See lightning, 2.
  • noun A brightening up, as of the mind or spirit.
  • noun In metallurgy, the sudden brightening of the color of silver during cupellation when the metal reaches the point of greatest purity.

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

  • noun The process of changing to a lighter color.

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

  • verb Present participle of lighten.
  • noun medicine The sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour
  • noun nautical The removal of cargo (especially crude oil) from a vessel in order to reduce its draft

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

  • noun changing to a lighter color
  • noun descent of the uterus into the pelvic cavity that occurs late in pregnancy; the fetus is said to have dropped


Sorry, no etymologies found.



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  • not to be confushed with lightning.

    June 26, 2007