rosin oil

noun

Definition of rosin oil

  1. :  an oily liquid obtained by destructive distillation of rosin and composed principally of hydrocarbons with some resin acids; especially :  the viscous fraction that boils higher than rosin spirit, that when crude is dark-colored and fluorescent and has a sharp odor, and that is used chiefly in making lubricating greases and printing inks, in impregnating paper coverings for electric cables, and in compounding with other oils

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1844

First Known Use of rosin oil

1844


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