Definition of mineral oil
: an oil of mineral origin; especially : a refined petroleum oil used especially as a laxative
First Known Use of mineral oil
Medical Definition of mineral oil
1: a liquid product of mineral origin that has the viscosity of an oil
2: a transparent oily liquid obtained usually by distilling petroleum and used chiefly in medicine for treating constipation and especially formerly as a demulcent and solvent for nose and throat medication—called also ,
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