• (n.) See Quinoline.
Chin'o·line noun [ New Latin chin ium quinine (see Chinoldine ) + Latin ol eum oil + -ine .] (Chemistry) See Quinoline . 
Chinoline is an oily liquid obtained by distilling quinine with potash and a little water, or by the dry distillation of coal. It was formerly used in medicine as an antiseptic, and was especially effective when applied to the membranes of diphtheria, being also a remedy in intermittent fevers, etc.