- cinchoninic acid
- \\| ̷ ̷ ̷ ̷|ninik-\ noun
Etymology: International Scientific Vocabulary cinchonine + -ic; originally formed as German cinchoninsäure: a white crystalline acid C9H6NCOOH made by reaction of isatin and a pyruvic salt or by oxidation of cinchonine; 4-quinoline-carboxylic acid
Useful english dictionary. 2012.