Dexone n 1: a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation [syn: {dexamethasone}, {Decadron}, {Dexamethasone Intensol}, {Dexone}, {Hexadrol}, {Oradexon}]