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 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'zinc oxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of zinc oxide was in 1849

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 31 Oct. 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

Last Updated: - Updated example sentences
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