1. The liquid portion of bone fat; used as a lubricant and in leather manufacture
   "Bone oil was applied to soften the leather"
    
2. Dark-coloured ill-smelling oil obtained by carbonizing bone; used especially in sheep dips and in denaturing alcohol
   "Bone oil was historically used as an insecticide in agriculture";
   - Dippel's oil

Type of: animal oil

Part of: bone fat

Encyclopedia: Bone oil