C4ISR
n.— «C4ISR stands for command, control, communications, computers, intelligence, surveillance and reconnaissance systems needed for effective battle.» —“Information Laboratory Would Link C4 Efforts US defense officials want to invest more than $1 bil to establish C4ISR Decision Support Center” Defense News Dec. 18, 1995. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...