Whale oil

Whale oil is oil obtained from the blubber of whales. Oil from the bowhead whale was sometimes known as train-oil, which comes from the Dutch word traan ("tear drop").

Sperm oil, a special kind of oil used in the cavities of sperm whales, differs chemically from ordinary whale oil: it is composed mostly of liquid wax. Its properties and applications differ from those of detergentized whale oil, and it was sold for a higher price.

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