benzene ring


: 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

Examples of benzene ring in a Sentence

Recent Examples on the Web Another likely contained a benzene ring associated with iron oxides. John Timmer, Ars Technica, 12 July 2023 In between is just a short, unreactive benzene ring. John Timmer, Ars Technica, 27 Apr. 2022

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Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of benzene ring was in 1872

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Cite this Entry

“Benzene ring.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

Medical Definition

benzene ring

: 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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