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单词 trimorphism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tri•mor•phism  (trī môrfiz əm),USA pronunciation n. 
  1. Zoologythe occurrence of three forms distinct in structure, coloration, etc., among animals of the same species.
  2. Botanythe occurrence of three different forms of flowers, leaves, etc., on the same plant or on distinct plants of the same species.
  3. Crystallographythe property of some substances of crystallizing in three structurally distinct forms.
  4. the property or condition of occurring in three distinct forms.
  • Greek trímorph(os) of three forms (see tri-, -morph) + -ism
  • 1855–60
tri•morphic, tri•morphous, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
trimorphism /traɪˈmɔːfɪzəm/ n
  1. the property exhibited by certain species of having or occurring in three different forms
  2. the property of certain minerals of existing in three crystalline forms
Etymology: 19th Century: from Greek trimorphos (from tri- + morphē form) + -ism
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