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Spermaceti is a 10 letter word which starts with the letter S and ends with the letter I for which we found 1 definitions.

(n.) A white waxy substance obtained from cavities in the head of the sperm whale and used making candles oilments cosmetics etc. It consists essentially of ethereal salts of palmitic acid with ethal and other hydrocarbon bases. The substance of spermaceti after the removal of certain impurities is sometimes called cetin.
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