单词	benzene ring
释义	benzene ring noun : a structural arrangement of atoms in benzene and other aromatic compounds that consists of a planar symmetrical hexagon of six carbon atoms which derives added stability from the delocalization of certain bonding electrons over the entire ring compare meta- sense 4a, orth- sense 4b, para- entry 1 sense 2b Example Sentences Recent Examples on the Web In between is just a short, unreactive benzene ring. John Timmer, Ars Technica, 27 Apr. 2022 Word History First Known Use 1872, in the meaning defined above Medical Definition benzene ring noun : a plane symmetrical ring of six carbon atoms which is characteristic of benzene and related aromatic compounds and in which the electrons forming three conjugated double bonds are distributed over the entire ring
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