A city in Thrace, northeastern Greece.

(literary, derogatory, dated) An ill-tempered woman.

Of a yellowish colour.

(chemistry) any of a class of organic sulphur-containing acids of general formula ROCS₂H

(biology, zoology) A yellowish colouring of pigments in hair, skin, feathers, etc.

(biochemistry) A crystallizable flavoprotein enzyme containing iron and molybdenum that promotes the oxidation especially of hypoxanthine and xanthine to uric acid and of many aldehydes to carboxylic acids and that is obtained usually from milk or liver.

Alternative spelling of xanthine

(chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the parent compound, a precursor of uric acid found in many organs of the body.

Of the city Xanthos (or Xanthus) in ancient Lycia.

A citizen of Xanthos.