coumarin
noun
cou·ma·rin
ˈkü-mə-rən 
: a toxic white crystalline lactone C9H6O2 with an odor of new-mown hay found in plants or made synthetically and used especially in perfumery and as a parent compound in anticoagulant agents
also
: a derivative of this compound
Examples of coumarin in a Sentence
Recent Examples on the Web
Ageratum is an annual flower that secretes coumarin (used in commercial mosquito repellents), which has an odor that mosquitoes can’t stand.
—
Clarence Schmidt, San Diego Union-Tribune, 11 Apr. 2024
Alongside is a sidecar of vanilla-tonka bean maple syrup, heady with the almond-y, fresh-hay scent of coumarin — a naturally occurring chemical in the seeds of the kumaru tree.
—Stephanie Breijo, Los Angeles Times, 3 Nov. 2024
In any case, chamomile flowers—which look like adorable, tiny daisies—contain flavonoids, terpenoids, and coumarins which certainly have mildly sedative, anti-inflammatory, and antispasmodic properties.
—Valentina Bottoni, Vogue, 23 Oct. 2024
Some cassia cinnamon products contain high levels of coumarin, a substance that can be harmful to the liver.
—Johna Burdeos, Health, 21 Oct. 2024
This is due to the spice's high concentration of anti-inflammatory and antioxidant compounds like coumarin, cinnamic acid, cinnamaldehyde, and eugenol.19
Cinnamon tea can be made with ground cinnamon or cinnamon sticks.
—Jillian Kubala, Health, 16 July 2024
Sweet, vanilla-scented coumarin is found in cinnamon.
—Popular Science, 31 Aug. 2023
Both jars also showed hints of the compounds coumarin and benzoic acid.
—Popular Science, 31 Aug. 2023
This latest version of the scent reportedly features top notes of lavender and bergamot, middle notes of jasmine, iris, and rose, and base notes of vanilla, sandalwood, coumarin, benzoin, licorice, and patchouli.
—Marci Robin, Allure, 4 Aug. 2019
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Clarence Schmidt, San Diego Union-Tribune, 11 Apr. 2024
Alongside is a sidecar of vanilla-tonka bean maple syrup, heady with the almond-y, fresh-hay scent of coumarin — a naturally occurring chemical in the seeds of the kumaru tree.
—Stephanie Breijo, Los Angeles Times, 3 Nov. 2024
In any case, chamomile flowers—which look like adorable, tiny daisies—contain flavonoids, terpenoids, and coumarins which certainly have mildly sedative, anti-inflammatory, and antispasmodic properties.
—Valentina Bottoni, Vogue, 23 Oct. 2024
Some cassia cinnamon products contain high levels of coumarin, a substance that can be harmful to the liver.
—Johna Burdeos, Health, 21 Oct. 2024
This is due to the spice's high concentration of anti-inflammatory and antioxidant compounds like coumarin, cinnamic acid, cinnamaldehyde, and eugenol.19
Cinnamon tea can be made with ground cinnamon or cinnamon sticks.
—Jillian Kubala, Health, 16 July 2024
Sweet, vanilla-scented coumarin is found in cinnamon.
—Popular Science, 31 Aug. 2023
Both jars also showed hints of the compounds coumarin and benzoic acid.
—Popular Science, 31 Aug. 2023
This latest version of the scent reportedly features top notes of lavender and bergamot, middle notes of jasmine, iris, and rose, and base notes of vanilla, sandalwood, coumarin, benzoin, licorice, and patchouli.
—Marci Robin, Allure, 4 Aug. 2019
Dictionary Entries Near coumarin
Cite this Entry
“Coumarin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coumarin. Accessed 21 Dec. 2024.
Copy CitationMedical Definition
coumarin
noun
cou·ma·rin
ˈkü-mə-rən
: a toxic white crystalline lactone C9H6O2 with an odor of new-mown hay found in plants or made synthetically and used especially in perfumery and as the parent compound in various anticoagulant agents (as warfarin)
also
: a derivative of this compound
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