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declassify

[dee-klas-uh-fahy] /diˈklæs əˌfaɪ/
verb (used with object), declassified, declassifying.
1.
to remove the classification from (information, a document, etc.) that restricts access in terms of secrecy, confidentiality, etc.
Compare classification (def 5).
Origin
1860-1865
1860-65; de- + classify
Related forms
declassifiable, adjective
declassification
[dee-klas-uh-fi-key-shuh n] /diˌklæs ə fɪˈkeɪ ʃən/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for de classifiable

declassify

/diːˈklæsɪˌfaɪ/
verb -fies, -fying, -fied
1.
(transitive) to release (a document or information) from the security list
Derived Forms
declassifiable, adjective
declassification, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for de classifiable

declassify

v.

1865, originally a term in logic; with reference to state secrets, 1946; from de- + classify. Related: Declassification; declassified; declassifying.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for de

3
3
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