zinc oxide


: 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 Sunscreens made from the minerals titanium dioxide and zinc oxide create a physical barrier atop the skin that reflects UV light. Jamie Ducharme, TIME, 9 May 2024 The white lotus and jasmine help hydrate while zinc oxide defends. Anneke Knot, Peoplemag, 29 Sep. 2023 Physical sunscreens, meanwhile, use minerals like zinc oxide and titanium dioxide to shield skin from UV rays. Deanna Pai, Vogue, 3 Apr. 2024 That said, the Greeks, as well as early Indian and Roman civilizations, were aware of the uses of zinc oxide. Discover Magazine, 2 Apr. 2024 The review also found that sunscreens with zinc oxide help prevent UV damage and, in turn, prevent skin cancers. Elizabeth Gamillo, Discover Magazine, 23 Feb. 2024 The hypoallergenic formula is vegan, fragrance-free, and made with 19.2% zinc oxide, plus other natural ingredients like coconut oil, avocado oil, and shea butter. Ambrosia V. Brody, Parents, 20 Feb. 2024 Type: Mineral / Key ingredients: Titanium dioxide, zinc oxide / SPF: 50 / Oil-free: Yes Pros: Travel-friendly; great for scalp protection; brush applicator eliminates the need to use your fingers. Brigitt Earley, Glamour, 13 Feb. 2024 The formula boasts titanium dioxide, which helps with broad spectrum protection, while zinc oxide offers a physical barrier from UVA rays. Sophie Dodd, Peoplemag, 7 Jan. 2024

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 24 May. 2024.

Kids Definition

zinc oxide

: 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

: a white solid ZnO used in pharmaceutical and cosmetic preparations (as ointments and powders)

More from Merriam-Webster on zinc oxide

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