单词 phenytoin 释义 phenytoin Pharm.|fntn|[f. phenyl + hydanton.]5,5-Diphenylhydantoin, C15H12N2O2, an anticonvulsant widely used in the treatment of epilepsy (usu. in the form of its sodium salt, a white powder).1942Jrnl. Amer. Med. Assoc. 4 Apr. 1209/2...