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单词 heterocyclic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
het•er•o•cy•clic  (het′ər ə sī′klik, -sik′lik),USA pronunciation adj. [Chem.]
  1. Chemistryof or pertaining to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
  2. Chemistrynoting such compounds, as ethylene oxide, C2H4O.
  • 1895–1900; hetero- + cyclic
het•er•o•cy•cle  (het′ər ə sī′kəl),USA pronunciation n. 
Collins Concise English Dictionary © HarperCollins Publishers::
heterocyclic /ˌhɛtərəʊˈsaɪklɪk -ˈsɪk-/ adj
  1. (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atom
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更新时间：2024/9/21 16:36:39