red oil

noun

Definition of red oil

  1. 1 :  any of various oils that are red often because they are impure: such as a :  commercial oleic acid containing other fatty acids (as linoleic, palmitic, or stearic acid) b :  a domestic remedy for bruises made by macerating the tops of the common St.-John's-wort in olive oil

  2. 2 :  a lubricating oil produced from petroleum in various ways

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