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NUCFLASH

[ nook-flash, nyook- ]
/ ˈnukˌflæʃ, ˈnyuk- /

noun

a report of highest precedence notifying the president, secretary of defense, or their deputies of an accidental or unauthorized nuclear-weapon launch or of a nuclear attack.

Origin of NUCFLASH

nuc(lear) flash
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019