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

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

The silky formula is the perfect match for sensitive skin due to mild ingredients like non-nano zinc oxide, winter cherry, and blueberry. —Jenn Barthole, Glamour, 17 Jan. 2024

To stay sun-safe without exacerbating eczema symptoms, look for physical sunscreens (also called mineral sunscreens), which contain ingredients such as titanium dioxide and zinc oxide that work by deflecting UV rays. —Karen Pallarito, Health, 18 Dec. 2023

Word History

First Known Use

1849, in the meaning defined above

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)