Definition of 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)
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Recent Examples of zinc oxide from the Web
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All Good Reef-Friendly Sunscreens ($16 and up) All Good’s SPF comes from zinc oxide instead of oxybenzone, which has been shown to damage coral reefs.
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It’s made of zinc oxide, a physical sunscreen blocker preferred by surfers, rock climbers, and other people who spend all day outside, for its strength and protection against gnarly burns.
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And neither titanium dioxide nor zinc oxide is fully sustainable, due to the compounds’ extraction and synthesis processes.
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Once the whitehead has been manually removed before bed, Renée says to treat the area with an overnight topical product, like her Nighttime Spot Lotion, which contains sulfur, zinc oxide, and camphor, to further remove any infection in the follicle.
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Lightweight with a serum-like feel and chock-full of good-for-you ingredients, like protective zinc oxide and antioxidant-rich goji berry, the tint quickly found its way into my makeup rotation.
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Titanium oxide is a close relative to the UV-blocking component, zinc oxide, found in some of the strongest sunscreens used here on Earth.
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Some sunscreens protect you by using compounds like zinc oxide to provide a physical barrier, while others use chemicals to absorb the sun's rays.
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For daytime, De Oliveira suggested Barnwell apply a sunscreen with physical blockers like zinc oxide or titanium dioxide, which won't clog her pores.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zinc oxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of zinc oxide
1849
Medical Dictionary
zinc oxide
medical Definition of zinc oxide
: a white solid ZnO used in pharmaceutical and cosmetic preparations (as ointments and powders)
Learn More about zinc oxide
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Britannica.com: Encyclopedia article about zinc oxide
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