the GNU version of the Collaborative International Dictionary of English
n. See quinoline.
The Century Dictionary and Cyclopedia
n. An artificial alkaloid, C9H7N, which is obtained by distilling quinine or cinchonine with potash, or synthetically from aniline and nitrobenzene by treatment with sulphuric acid and glycerin.
Word Usage
"_ -- The author gave a healthy man during several days various doses of chinoline tartrate, which in no way affected the individual operated on, nor was any trace of chinoline found in his urine."