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• n  a white waxy substance from oil of the sperm whale

• Inexcusably, it does not involve a tournament of mortal battles between orcas and spermaceti.
• For them a sperm whale was a different kind of meal ticket: its blubber, and the wax-like spermaceti in its skull, produced oil and candles that burned with unrivaled-and high .
• Sperm-whale oil and the waxy substance separated from itspermaceti are resistant to high temperatures and pressures, and have been used in such varied processes as coating .