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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
Then there are classics like Mario Badescu’s Drying Lotion, which uses a potent blend of sulfur, salicylic acid, zinc oxide, and calamine to calm zits overnight.
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Kiana Murden, Vogue, 7 Feb. 2025
The formula is powered by zinc oxide, two silk proteins (sericin and fibroin), niacinamide, squalane, and hyaluronic acid to protect, moisturize, and prep skin for makeup.
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Annie Blackman, Allure, 2 Dec. 2024
Protect the baby's skin using a barrier ointment containing petroleum jelly or zinc oxide at diaper changes.7 Your healthcare provider may recommend medicated cream or ointment for a rash caused by yeast or bacterial infections.
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Ann Pietrangelo, Verywell Health, 5 Sep. 2024
Avène’s proprietary mineral water has been studied extensively and is proven to have anti-inflammatory and redness-relieving properties; the formula also features fellow skin soothers zinc oxide, zinc sulfate, and copper sulfate to help heal skin.
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Emily Orofino, Allure, 24 Oct. 2024
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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 22 Feb. 2025.
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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