Last modified on 24 May 2014, at 20:41




From Medieval Latin homogeneus, from Ancient Greek ὁμογενής (homogenḗs, of the same race, family or kind), from ὁμός (homós, same) + γένος (génos, kind). Compare homo- (same) and -ous, adjectival suffix.


  • (UK) IPA(key): /ˌhɒ.məˈdʒiː.nɪəs/, /həˈmɒ.dʒɪ.nəs/
  • (US) IPA(key): /ˌhoʊ.moʊˈdʒiː.niəs/, /həˈmɒ.dʒɪ.nəs/
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homogeneous (not comparable)

  1. Of the same kind; alike, similar.
  2. Having the same composition throughout; of uniform make-up.
    • 1946, Bertrand Russell, History of Western Philosophy, I.25:
      Their citizens were not of homogenous origin, but were from all parts of Greece.
  3. (chemistry) in the same state of matter.
  4. (mathematics) Of which the properties of a smaller set apply to the whole; scalable.
    The function f(x,y)=x2+y2 is homogeneous of degree 2 because f(αx,αy)=α2f(x,y).


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