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heterogeneous

[het-er-uh-jee-nee-uh s, -jeen-yuh s] /ˌhɛt ər əˈdʒi ni əs, -ˈdʒin yəs/
adjective
1.
different in kind; unlike; incongruous.
2.
composed of parts of different kinds; having widely dissimilar elements or constituents:
The party was attended by a heterogeneous group of artists, politicians, and social climbers.
3.
Chemistry. (of a mixture) composed of different substances or the same substance in different phases, as solid ice and liquid water.
Origin
1615-1625
1615-25; < Medieval Latin heterogeneus < Greek heterogenḗs. See hetero-, gene, -ous
Related forms
heterogeneously, adverb
heterogeneousness, noun
Can be confused
heterogeneous, heterogenous, homogeneous, homogenous.
Synonyms
2. varied, diverse.
Antonyms
2. homogeneous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for heterogeneousness

heterogeneous

/ˌhɛtərəʊˈdʒiːnɪəs/
adjective
1.
composed of unrelated or differing parts or elements
2.
not of the same kind or type
3.
(chem) of, composed of, or concerned with two or more different phases Compare homogeneous
Derived Forms
heterogeneity (ˌhɛtərəʊdʒɪˈniːɪtɪ), heterogeneousness, noun
heterogeneously, adverb
Word Origin
C17: from Medieval Latin heterogeneus, from Greek heterogenēs, from hetero- + genos sort
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 heterogeneousness

heterogeneous

adj.

1620s, from Medieval Latin heterogeneus, from Greek heterogenes, from heteros "different" (see hetero-) + genos "kind, gender, race stock" (see genus). Earlier in same sense was heterogeneal (c.1600).

Online Etymology Dictionary, © 2010 Douglas Harper
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heterogeneousness in Medicine

heterogeneous het·er·o·ge·ne·ous (hět'ər-ə-jē'nē-əs, -jēn'yəs)
adj.
Composed of parts having dissimilar characteristics or properties.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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