(organic chemistry) A bicyclic aromatic heterocycle consisting of a benzene ring fused to one of pyrimidine; some of its derivatives are pharmaceuticals
tranquilize
tranquilize
verb
(intransitive, obsolete, rare) To become tranquil.
(transitive) To calm (a person or animal) or put them to sleep using a tranquilizer dart.
(transitive, now literary) To make (something or someone) tranquil.
