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单词 benzene ring
释义

WordReference Random House Unabridged Dictionary of American English © 2024
benzene ring′, [Chem.]
  1. Chemistrythe graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points. Each carbon atom is united with an atom of hydrogen, one or more of which may be replaced to form benzene derivatives. Also called benzene nu′cleus. Cf. cyclohexane, Kekulé's formula, meta2, ortho, para 3.
  • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
benzene ring n
  1. the hexagonal ring of bonded carbon atoms in the benzene molecule or its derivatives
    Also called: benzene nucleus
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