buckthorn
noun
buck·thorn
ˈbək-ˌthȯrn 
1
: any of a genus (Rhamnus of the family Rhamnaceae, the buckthorn family) of often thorny trees or shrubs some of which yield purgatives or pigments
2
: a shrub or small tree (Sideroxylon lycioides) of the sapodilla family of the southern U.S.
Examples of buckthorn in a Sentence
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That’s all due to the oil’s key ingredient, sea buckthorn oil, a weightless conditioner Amika uses in all of its formulas that makes hair smooth to the touch and as reflective as glass.
—
Jennifer Hussein, Allure, 11 Mar. 2025
Sea buckthorn oil for skin and hair As mentioned, sea buckthorn oil can be a valuable addition to your beauty cabinet—right along with beloved oils like castor, jojoba, grapeseed, and almond.
—Alessandra Signorelli, Vogue, 8 Mar. 2025
Prescribed burns also reduce the abundance of non-native brush, such as buckthorn and honeysuckle.
—Aurora Beacon-News, Chicago Tribune, 7 Mar. 2025
And then there’s the brand’s signature sea buckthorn packed with vitamins C and A, omega-7 fatty acids, and antioxidants to nourish your hair and scalp.
—Christa Joanna Lee, Allure, 17 Feb. 2025
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Jennifer Hussein, Allure, 11 Mar. 2025
Sea buckthorn oil for skin and hair As mentioned, sea buckthorn oil can be a valuable addition to your beauty cabinet—right along with beloved oils like castor, jojoba, grapeseed, and almond.
—Alessandra Signorelli, Vogue, 8 Mar. 2025
Prescribed burns also reduce the abundance of non-native brush, such as buckthorn and honeysuckle.
—Aurora Beacon-News, Chicago Tribune, 7 Mar. 2025
And then there’s the brand’s signature sea buckthorn packed with vitamins C and A, omega-7 fatty acids, and antioxidants to nourish your hair and scalp.
—Christa Joanna Lee, Allure, 17 Feb. 2025
See All Example Sentences for buckthorn
Cite this Entry
“Buckthorn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buckthorn. Accessed 26 Mar. 2025.
Copy CitationMedical Definition
buckthorn
noun
buck·thorn
ˈbək-ˌthȯ(ə)rn
: a shrub or tree of the genus Rhamnus sometimes having thorny branches and often containing purgative principles in bark or sap and producing fruits sometimes used as a source of yellow and green dyes or pigments see cascara buckthorn
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