Category:Pyrrol

Pyr"rol, n. Etym: [gr. oleum oil.] (chem.)

Defn: a nitrogenous base found in coal tar, bone oil, and other Distillates of organic substances, and also produced synthetically as A colorless liquid, c4h5n, having on odor like that of chloroform. It Is the nucleus and origin of a large number of derivatives. So called Because it colors a splinter of wood moistened with hydrochloric acid A deep red.