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spermaceti
noun
sper·ma·ce·ti
ˌspər-mə-ˈsē-tē
-ˈse-
: a waxy solid obtained from the oil of cetaceans and especially from a closed cavity in the heads of sperm whales and used especially formerly in ointments, cosmetics, and candles
Examples of spermaceti in a Sentence
Recent Examples on the Web
As recently as the nineteen-seventies, General Motors used spermaceti in its transmission fluid.
—Elizabeth Kolbert, The New Yorker, 4 Sep. 2023
People harvested the baleen, blubber, bone, meat, oil, and spermaceti.
—Emilie Le Beau Lucchesi, Discover Magazine, 26 Oct. 2023
The animals were particularly prized for their spermaceti, the waxy oil that fills their gigantic heads.
—Elizabeth Kolbert, The New Yorker, 4 Sep. 2023
The whales’ names are derived from a semi-liquid waxy substance found in their heads — known as spermaceti — that was once used for lubrication and lamp fuel, according to the National Wildlife Federation.
—Saumya Gupta, Los Angeles Times, 12 June 2023
The spermaceti is full of a waxy substance that was originally thought to be the animal’s sperm (hence the name).
—Ed Yong, Discover Magazine, 30 June 2010
The case containing the spermaceti could be used as a battering ram during fights.
—Ed Yong, Discover Magazine, 30 June 2010
Sperm whales have a unique organ in their heads called the spermaceti, and Livyatan’s was particularly large.
—Ed Yong, Discover Magazine, 30 June 2010
So were high-quality spermaceti candles, which slavers would trade for people in West Africa and the Caribbean.
—Kate Aronoff, The New Republic, 22 Jan. 2021
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Word History
Etymology
Middle English sperma cete, from Medieval Latin sperma ceti whale sperm
First Known Use
15th century, in the meaning defined above
Time Traveler
The first known use of spermaceti was
in the 15th century
Dictionary Entries Near spermaceti
Cite this Entry
“Spermaceti.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spermaceti. Accessed 21 Nov. 2024.
Kids Definition
spermaceti
noun
sper·ma·ce·ti
ˌspər-mə-ˈsēt-ē
-ˈset-
: a waxy solid obtained from the oil of some sea-dwelling mammals and especially the sperm whale and used mostly in the past in ointments, cosmetics, and candles
Medical Definition
spermaceti
noun
sper·ma·ce·ti
ˌspər-mə-ˈsēt-ē
-ˈset-
: a waxy solid obtained from the oil of cetaceans and especially sperm whales and used especially formerly in pharmacology as a constituent of ointments
More from Merriam-Webster on spermaceti
Britannica.com: Encyclopedia article about spermaceti
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