quino-

enUK

quino-

or quin-pref.1. Cinchona; cinchona bark: quinoidine.2. Quinone: quinoid.
[From Spanish quina, cinchona bark, from Quechua kina.]

quino-

or before a vowel

quin-

combining formindicating cinchona, cinchona bark, or quinic acid: quinidine; quinol; quinoline. [see quinine]