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Latin dedecoratio.


dedecoration (uncountable)

  1. (obsolete) Disgrace; dishonour.
    • 1806, Oliver Oldschool, The Port Folio, page 316:
      Alas! he fears my lacerated coat, And visage pale with frigorisic want, Would bring dedecoration on his chaise.
    • 1893, The Speaker - Volume 8, page 439:
      In any case it is vulgar, and in its small way, as a dedecoration of Caswall's little treatise, is as sad a case of the confounding of things essentially different as I have seen for a long time.
    • 1927, Nancy Cox-McCormack, Pleasant Days in Spain, page 51:
      There under the hungry eyes of his mistress, who witnessed all from the Mirador, Pedro, to his dedecoration, put into action the awful declaration, "I am El Rey Justiciero."
  2. (rare) The removal of decoration.
    • 1845, William Simcox BRICKNELL, The Judgment of the Bishops Upon Tractarian Theology. A Complete Analytical Arrangement of the Charges Delivered by the Prelates of the Anglican Church, from 1837 to 1842 Inclusive; So Far as They Relate to the Tractarian Movement. With Notes and Appendices, page 625:
      And it is, as I said, with unmingled satisfaction, that I find that no disposition has been evinced among us, to commit any of these irregular reappropriations; or to adopt any of these devices, novel or obsolete, for the decoration or dedecoration of sacred edifices, and those who minister in them.
    • 1856, William Conyngham PLUNKET (1st Baron Plunket.), John Cashel HOEY, Speeches at the Bar and in the Senate ... Edited, with a memoir and historical notices, by J. C. Hoey, page 261
      He was advised that it clearly might; that these mummers had no right to lay their hands on this public ornament, whether for the purpose of decoration or dedecoration
  3. (graph theory) Decimation (the elimination of points from a lattice); the inverse of decoration.
    Dedecoration did not produce any advantages in observing the size of the displacement of dislocations.
    Applying the star-triangle and dedecoration transformations []

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for dedecoration in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)