dedecoration noun3 •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[…] •(rare) The removal of decoration.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 — 1856 •(no longer used) Disgrace; dishonour.Alas! he fears my lacerated coat, And visage pale with frigorisic want, Would bring dedecoration on his chaise. — 1806