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单词 polymorphistic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pol•y•mor•phism  (pol′ē môrfiz əm),USA pronunciation n. 
  1. Biology, Geneticsthe state or condition of being polymorphous.
  2. Crystallographycrystallization into two or more chemically identical but crystallographically distinct forms.
  3. Genetics, Biology, Developmental Biology[Biol.]the existence of an organism in several form or color varieties.
  4. Genetics, Developmental Biologythe presence of two or more distinct phenotypes in a population due to the expression of different alleles of a given gene, as human blood groups O, A, B, and AB.
  • polymorph + -ism 1830–40
pol′y•mor•phistic, adj. 

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