Search Result for "declassification": 
Wordnet 3.0

NOUN (1)

1. reduction or removal by the government of restrictions on a classified document or weapon; 



The Collaborative International Dictionary of English v.0.48:

declassification \declassification\ n.
   Reduction by the government of restrictions on a classified
   document or weapon.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

declassification
    n 1: reduction or removal by the government of restrictions on a
         classified document or weapon [ant: classification]