噻吩 sāifēn thiophene Origin Definitions Defs Strokes Stroke Words Sentences Sents 头孢噻吩 tóubāosāifēn cefalotin (pharmacy) an antibiotic medication also known as cephalothin苯并噻吩 běnbìngsāifēn benzothiophene an aromatic organic heterocyclic compound with the molecular formula C8H6S, consisting of a benzene ring fused to a thiophene ring