The Collaborative International Dictionary of English v.0.48:

Stearone \Ste"a*rone\ (st[=e]"[.a]*r[=o]n), n. (Chem.)
   The ketone of stearic acid, obtained as a white crystalline
   substance, (C17H35)2.CO, by the distillation of calcium
   stearate.
   [1913 Webster]