WordNet (r) 3.0 (2006):

prednisone
    n 1: a dehydrogenated analogue of cortisol (trade names Orasone
         or Deltasone or Liquid Pred or Meticorten); used as an
         anti-inflammatory drug in the treatment of arthritis and as
         an immunosuppressant [syn: prednisone, Orasone,
         Deltasone, Liquid Pred, Meticorten]