Look up definitions and anagrams of words in our dictionary.

Polymorphism Definition

Noun: polymorphism  ,pó-lee'mor,fi-zum

  1. (genetics) the genetic variation within a population that natural selection can operate on
  2. (chemistry) the existence of different kinds of crystal of the same chemical compound
    - pleomorphism
  3. (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences)