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1. Having or exhibiting two contrasting modes or forms: "American supermarket shopping shows bimodal behavior—careful, nutritious choices mixed with salty, high-fat snack foods" (Sheryl Julian).
2. Having two distinct statistical modes.
3. Designed for operation on either railroads or highways. Used of vehicles.
bi′mo·dal′i·ty (bī′mō-dăl′ĭ-tē) n.
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.
(Statistics) the state of being bimodal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014