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benzene ring

The definition of a benzene ring is a circle of six carbon atoms.

(noun)

An example of a benzene ring is a benzene nucleus.

See benzene ring in Webster's New World College Dictionary

a structural unit in the molecules of aromatic organic compounds, represented by a ring of six atoms of carbon with alternate double bonds between the carbon atoms: in the molecule of benzene six atoms of hydrogen are attached to the ring, one to each atom of carbon, but in derivatives of benzene one or more atoms of hydrogen are replaced by atoms of other elements or by groups of atoms

also called benzene nucleus

See benzene ring in American Heritage Dictionary 4

noun

A hexagonal ring arrangement found in benzene and other aromatic compounds, consisting of six carbon atoms with alternating single and double bonds between them, and with each carbon atom bonded to a hydrogen atom, or to other atoms or groups of atoms in derivatives of benzene.

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