Antonyms of noun homogeneity

1 of 2 senses of homogeneity

Sense 1
homogeneity, homogeneousness -- (the quality of being similar or comparable in kind or nature; "there is a remarkable homogeneity between the two companies")
       Antonym of heterogeneity (Sense 1)
      => heterogeneity, heterogeneousness -- (the quality of being diverse and not comparable in kind)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun homogeneity

2 senses of homogeneity

Sense 1
homogeneity, homogeneousness -- (the quality of being similar or comparable in kind or nature; "there is a remarkable homogeneity between the two companies")
       => uniformity, uniformness -- (the quality of lacking diversity or variation (even to the point of boredom))

Sense 2
homogeneity -- (the quality of being of uniform throughout in composition or structure)
       => uniformity -- (a condition in which everything is regular and unvarying)