Aq·tö·be (äk?t?-b??) also Ak·tyu·binsk (äk-tyo?o?b?nsk) A city of western Kazakhstan southeast of Samara, Russia. Founded in 1869, it is a metallurgical center.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Aqtöbe (æk?tju?b?; Kazakh aktøbe) n a former name (until 1991) of AktyubinskCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014