SIOP
[ sahy-op ]
/ ˈsaɪ ɒp /
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noun
(formerly) the secret and central U.S. contingency plan for waging a nuclear war with the Soviet Union.
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Origin of SIOP
s(ingle)i(ntegrated)o(perations)p(lan)
Words nearby SIOP
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023