benzoquinoline

== English == === Etymology === From benzo- +‎ quinoline. === Noun === benzoquinoline (plural benzoquinolines) (organic chemistry) Either of two isomeric compounds (5,6-benzoquinoline and 7,8-benzoquinoline) in which a benzene ring is fused to that of a quinoline molecule; their derivatives are used in the preparation of pharmaceuticals and dyes atc