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(formerly) the secret and central U.S. contingency plan for waging a nuclear war with the Soviet Union.
Society for Industrial and Organizational Psychology


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  • Siouan

    noun 1. an American Indian language family formerly widespread from Saskatchewan to the lower Mississippi, also found in the Virginia and Carolina piedmont, and including Catawba, Crow, Dakota, Hidatsa, Mandan, Osage, and Winnebago. 2. a member of one of the Siouan-speaking peoples. adjective 3. of or relating to the Sioux or the Siouan languages. noun […]

  • Sioux

    noun, plural Sioux [soo, sooz] /su, suz/ (Show IPA) 1. Dakota (defs 4, 6). noun 1. (pl) Sioux (suː; suːz). a member of a group of North American Indian peoples formerly ranging over a wide area of the Plains from Lake Michigan to the Rocky Mountains 2. any of the Siouan languages Sioux [(sooh)] A […]

  • Sioux-city

    noun 1. a port in W Iowa, on the Missouri River.

  • Sioux-falls

    noun 1. a city in SE South Dakota.

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