Boiled oil definitions

Boiled Oil

Linseed (sometimes soya) oil that was formerly heated for faster drying. Today, chemical agents are added to speed up the drying process.
Found on http://www.encyclo.co.uk/local/21079

---

boiled oil

any oil, as linseed oil, heated together with driers to improve its drying properties.
Found on https://www.infoplease.com/dictionary/boiled-oil

---