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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) characterized by two modes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(baɪˈmoʊd l)

1. having or providing two modes, methods, systems, etc.
2. (of a distribution in statistics) having or occurring with two modes.
bi`mo•dal′i•ty, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.bimodal - of a distribution; having or occurring with two modes
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
unimodal - having a single mode
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Percent sand in soils of crested wheatgrass fields was bimodally distributed with 50% the low point between the two modes.
LP is distributed bimodally, affecting juvenile patients (JLP), with onset of disease before 5 years of age and adult patients, aged 20-40 years (ALP) [1].
Kakamega forest receives an average rainfall of 1200 mm-1700 mm annually that is bimodally distributed.
With diet control, profiles sufficient to fingerprint single person biochemical individuality were observed, and it was discovered that urinary substances are monomodally, bimodally, and even trimodally distributed in the human population at birth.
Perusal of Figure 2 (right) shows that the individual growth curves are bimodally distributed about the fitted line at old age.
Neveu, "The bimodally expressed microRNA miR-142 gates exit from pluripotency," Molecular Systems Biology, vol.
(1-5) Distal biceps rupture occurs bimodally in the population.
of these, nor their correlates, is as "bimodally distributed"
Sladitschek et al., "The bimodally expressed microRNA miR-142 gates exit from pluripotency," Molecular Systems Biology, 2015; 11 (12): 850 DOI: 10.15252/msb.20156525
The purpose of this article was to illustrate how to model bimodally distributed utilization using a beta-binomial regression.