- oil obtained from walnuts, hazelnuts, etc, used in paints and varnishes and in cooking
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for nut oil
Historical Examples of nut oil
An oil is expressed from its kernel which is known as nut-oil, and is much used by painters as a drying oil.
Pacheco mentions "salad oil" with honey, in a mixture of flour paste for grounds; but this may have been nut-oil.