prednisone
Concise Oxford English Dictionary © 2008 Oxford University Press:
prednisone /ˈprɛdnɪzəʊn/
▶noun Medicine a synthetic drug similar to cortisone, used to relieve rheumatic and allergic conditions and to treat leukaemia.
– origin 1950s: perh. from pre(gnane) (a synthetic hydrocarbon) + d(ie)n(e) + (cort)isone.
'prednisone' also found in these Oxford entries:

