oil from the Sperm whale, used in lamps.
Sperm oil is a waxy liquid obtained from sperm whales. It is a clear, yellowish liquid with a very faint odor. Sperm oil has a different composition from common whale oil. Although it is called an `oil`, it is technically a liquid wax, being mostly composed of wax esters with only a small proportion of triglycerides. In the late 18th and early 1.....
pale yellow oil obtained with spermaceti from the head cavity (spermaceti organ) and blubber of the sperm whale. Formerly used as a superior lighting ...
[n] - an animal oil found in the blubber of the sperm whale
noun an animal oil found in the blubber of the sperm whale