aryl group

noun

, Chemistry.

1. any organic group derived from an aromatic hydrocarbon by the removal of a hydrogen atom, as phenyl, C 6 H 5 −, from benzene, C 6 H 6 .

Word History and Origins

Origin of aryl group¹

First recorded in 1905–10

Example Sentences

R groups represent a variety of organic groups; Ar, aryl group; EWG, electron-withdrawing group.

From Nature

One ligand promotes addition of a single aryl group to the β-carbon center; the other appends a second, potentially different aryl group to the same carbon—all in the same flask.

From Science Magazine