WordReference Random House Learner's Dictionary of American English © 2017
het•er•o•ge•ne•ous /ˌhɛtərəˈdʒiniəs, -ˈdʒinyəs/USA pronunciation   adj. 
  1. composed of parts of different kinds; mixed.
het•er•o•ge•ne•i•ty /ˌhɛtəroʊdʒəˈniɪti/USA pronunciation  het•er•o•ge•ne•ous•ness, n. [uncountable]
het•er•o•ge•ne•ous•ly, adv. See -hetero-, -gen-.

WordReference Random House Unabridged Dictionary of American English © 2017
het•er•o•ge•ne•ous  (het′ər ə jēnē əs, -jēnyəs),USA pronunciation adj. 
  1. different in kind;
  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.
het′er•o•gene•ous•ly, adv. 
het′er•o•gene•ous•ness, n. 
  • Greek heterogené̄s. See hetero-, gene, -ous
  • Medieval Latin heterogeneus
  • 1615–25
    • 2.See corresponding entry in Unabridged varied, diverse.
    • 2.See corresponding entry in Unabridged homogeneous.

Collins Concise English Dictionary © HarperCollins Publishers::

heterogeneous /ˌhɛtərəʊˈdʒiːnɪəs/ adj
  1. composed of unrelated or differing parts or elements
  2. not of the same kind or type
Etymology: 17th Century: from Medieval Latin heterogeneus, from Greek heterogenēs, from hetero- + genos sort

heterogeneity /ˌhɛtərəʊdʒɪˈniːɪtɪ/, ˌheteroˈgeneousness n

'heterogeneous' also found in these entries:

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