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单词 tautomerism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tau•tom•er•ism  (tô tomə riz′əm),USA pronunciation n. [Chem.]
  1. Chemistrythe ability of certain organic compounds to react in isomeric structures that differ from each other in the position of a hydrogen atom and a double bond.
  • 1880–85; tauto- + (iso)merism
tau•to•mer•ic  (tô′tə merik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
tautomerism /tɔːˈtɒməˌrɪzəm/ n
  1. the ability of certain chemical compounds to exist as a mixture of two interconvertible isomers in equilibrium
Etymology: 19th Century: from tauto- + isomerism

tautomeric /ˌtɔːtəˈmɛrɪk/ adj
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