ketosteroid
noun
ke·to·ste·roid 
ˌkē-tō-ˈster-ˌȯid,
-ˈstir- : a steroid (such as cortisone or estrone) containing a ketone group
Word History
Etymology
keto- + steroid
First Known Use
1939, in the meaning defined above
Medical Definition
ketosteroid
noun
ke·to·ste·roid
ˌkēt-ō-ˈsti(ə)r-ˌȯid also -ˈste(ə)r-
: a steroid (as cortisone or estrone) containing a ketone group
especially : 17-ketosteroid