animal oil

In this portion of Mr Crimple's leg, sir, there is a certain amount of animal oil.

From Martin Chuzzlewit by Charles Dickens

If the washing is properly performed the alkaline portion of the yolk is removed, leaving only the colorless animal oil in the fiber.

From Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades by William H. (William Henry) Dooley

All wools contain a certain amount of animal oil or grease, which permeates every portion of the fleece.

From Scientific American Supplement, No. 497, July 11, 1885 by Various

He discovered Prussian blue, and by the destructive distillation of bones prepared the evil-smelling product known as Dippel’s animal oil.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various

What immense fish is it that furnishes us with a quantity of animal oil?

From A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. by Anonymous