noun
: a cream made of mastic, nut oil, lead acetate, and water and used to cover a partly finished painting so as to preserve its freshness until resumption of work
noun
: a cream made of mastic, nut oil, lead acetate, and water and used to cover a partly finished painting so as to preserve its freshness until resumption of work
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012