bone oil
noun
1
: a dark-colored ill-smelling oil obtained by carbonizing bones (as in making bone black) that contains hydrocarbons and many nitrogen compounds (such as pyrrole and pyridine bases) and is used especially in sheep dips and in denaturing alcohol
called also animal oil, Dippel's oil
2
: the liquid portion of bone fat used as a lubricant and in leather manufacture
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“Bone oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bone%20oil. Accessed 26 Nov. 2024.
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