dimorphism

  1. Noun.  (biology) The occurrence within a plant of two distinct forms of any part.
  2. Noun.  (biology) The occurrence in an animal species of two distinct types of individual.
  3. Noun.  (geology) A property of certain substances that enables them to exist in two distinct crystalline forms.

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This entry was last updated on RefTopia from its source on 3/20/2012.