predˈnisəˌlōn noun
( -s )
Etymology: prednis- (as in prednisone ) + -ol + -one (as in prednisone )
: a glucocorticoid C 21 H 28 O 5 that is a dehydrogenated analogue of hydrocortisone, is similar in biological action to prednisone, and is often used in the form of an ester or a methyl derivative