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zinc oxide
noun
: an infusible white solid ZnO used especially as a pigment, in compounding rubber, and in pharmaceutical and cosmetic preparations (such as ointments and sunblocks)
Examples of zinc oxide in a Sentence
Recent Examples on the Web
Mineral sunscreens with zinc oxide or titanium dioxide are great for sensitive skin, but chemical sunscreens packed with hydration work just as well.
—Christa Joanna Lee, Allure, 22 Oct. 2024
Haguro’s spoon is slightly curved, made of a satisfyingly hefty zinc oxide, and sits languidly atop the moisturizer’s mint pack.
—Brennan Kilbane, Robb Report, 15 Oct. 2024
Only two sunscreen ingredients — zinc oxide and titanium dioxide — would be able to keep their decades-old approvals under that proposal.
—Alexander Tin, CBS News, 2 Oct. 2024
Physical sunscreens, on the other hand, are characterized by the active ingredients zinc oxide and titanium dioxide.
—Genevieve Cepeda, Peoplemag, 13 Aug. 2024
See all Example Sentences for zinc oxide
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Word History
First Known Use
1849, in the meaning defined above
Dictionary Entries Near zinc oxide
Cite this Entry
“Zinc oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zinc%20oxide. Accessed 7 Nov. 2024.
Kids Definition
zinc oxide
noun
: a white substance that is used as a white pigment, is added to rubber, and is used in medical and cosmetic preparations (as ointments and sunblocks)
Medical Definition
zinc oxide
noun
: a white solid ZnO used in pharmaceutical and cosmetic preparations (as ointments and powders)
More from Merriam-Webster on zinc oxide
Britannica.com: Encyclopedia article about zinc oxide
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