or D no·tice
- a government notice sent to newspapers or other publications requesting them to withhold information for reasons of state security.
Origin of D-notice
1960–65; D(efence) notice
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- British an official notice sent to newspapers, prohibiting the publication of certain security information
C20: from their administrative classification letter
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