D-notice
or D no·tice
[ dee-noh-tis ]
/ ˈdiˌnoʊ tɪs /
noun British.
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
British Dictionary definitions for d-notice
D-notice
noun
British
an official notice sent to newspapers, prohibiting the publication of certain security information
Word Origin for D-notice
C20: from their administrative classification letter