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[oh-kluh-hoh-muh] /ˌoʊ kləˈhoʊ mə/
a state in the S central U.S. 69,919 sq. mi. (181,090 sq. km). .
Capital: Oklahoma City.
Abbreviation: OK (for use with zip code), Okla.
Related forms
Oklahoman, adjective, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for Oklahoma
Contemporary Examples
Historical Examples
  • All that is left of the Cheyenne Bundle is now with the remnant of the tribe in Oklahoma.

    The Trail Book Mary Austin
  • He took the train at Oklahoma City, and I sat directly behind him.

    Frank Merriwell's Bravery Burt L. Standish
  • How far is Oklahoma City from the place where the train was robbed?

    Frank Merriwell's Bravery Burt L. Standish
  • I wished to visit Guthrie, the capital of Oklahoma, and they did not care to do so.

    Frank Merriwell's Bravery Burt L. Standish
  • You came from Elreno to Oklahoma City on the first train this morning, did you?

    Frank Merriwell's Bravery Burt L. Standish
British Dictionary definitions for Oklahoma


a state in the S central US: consists of plains in the west, rising to mountains in the southwest and east; important for oil. Capital: Oklahoma City. Pop: 3 511 532 (2003 est). Area: 181 185 sq km (69 956 sq miles) Abbreviation Okla., (with zip code) OK
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Oklahoma

from Choctaw, literally "red people," from okla "nation, people" + homma "red." Coined by Choctaw scholar Allen Wright, later principal chief of the Choctaw Nation, and first used in the Choctaw-Chickasaw treaty of April 28, 1866. Organized as a U.S. territory 1889; admitted as a state 1907. Related: Oklahoman.

Online Etymology Dictionary, © 2010 Douglas Harper
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Oklahoma in Culture

Oklahoma definition

State in the southwestern United States, bordered by Colorado and Kansas to the north, Missouri and Arkansas to the east, Texas to the south, and New Mexico to the west. Its capital and largest city is Oklahoma City.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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