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NUCFLASH

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

noun

  1. 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.

Etymology

Origin of NUCFLASH

nuc(lear) flash

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.