Noun bone oil has 2 senses
  1. bone oil - the liquid portion of bone fat; used as a lubricant and in leather manufacture
    --1 is a kind of
    animal oil
    --1 is a part of bone fat
  2. bone oil, Dippel's oil - dark-colored ill-smelling oil obtained by carbonizing bone; used especially in sheep dips and in denaturing alcohol
    --2 is a kind of animal oil
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