tall oil
noun
ˈtäl- 
ˈtȯl-
: a resinous by-product from the manufacture of chemical wood pulp used especially in making soaps, coatings, and oils
Example Sentences
Recent Examples on the Web Risdon likes the look of the cement CB2 Mayon tall oil lamp ($49.95-$79.95) to illuminate an outdoor space. 
Washington Post, 30 Sep. 2020
Washington Post, 30 Sep. 2020 Word History
Etymology
partial translation of German Tallöl, partial translation of Swedish tallolja, from tall pine + olja oil
First Known Use
1909, in the meaning defined above