spermaceti

noun

1. (uncountable)A wax obtained from the head of sperm whales and used to make cosmetics, etc; humans separate it out from sperm oil.

   “Holonym: sperm oil”

   “Moreover, as that of Heidelburgh was always replenished with the most excellent of the wines of the Rhenish valleys, so the tun of the whale contains by far the most precious of all his oily vintages; namely, the highly-prized spermaceti, in its absolutely pure, limpid, and odoriferous state.”