zinc oxide


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)

Examples of zinc oxide in a Sentence

Recent Examples on the Web

When trying to decide between zinc oxide and titanium dioxide, Brian Underwood, the beauty director at O, The Oprah Magazine, says to go for a product that has a mix of the two. Lindsey M. Roberts, The Seattle Times, "The best sunscreens for your skin — and the earth, too," 24 Aug. 2018 So Nadeau created one: a non-nano zinc oxide sunscreen, which remains a bestseller. Fiorella Valdesolo, WSJ, "3 Skincare Experts on Their Favorite Things," 23 Aug. 2018 This French pharmacy export has a highly effective blend of zinc oxide and titanium dioxide with no chemical UV filters. Jenna Rennert, Vogue, "The Best Drugstore Beauty Products, According to Vogue Editors," 16 July 2018 Try Mad Hippie's Facial SPF 30 ($24.99 at madhippie.com) which contains the powerful sun protector zinc oxide – but magically goes on clear. Andrea Mandell, USA TODAY, "5 SPF trends your face needs this summer," 29 June 2018 Most zinc oxide goes on chalky white but this one gets great reviews for being transparent, leaving behind zero residue, and anti-acne. Shannon Barbour, The Cut, "The 10 Best Products From Dermstore’s Secret Sale," 13 Apr. 2018 What to look for: No nanoparticles Free from chemicals like oxybenzone, butylparaben, octinoxate, octocrylene, and PABA Non-nano zinc oxide or non-nano titanium dioxide for UVA/UVB (broad spectrum) coverage Lotion or balm, not spray. Mandy Ferreira, Sunset, "10 Sunscreens That Keep You and the Coral Reefs Safe," 22 Jan. 2018 The formula protects from UV rays with zinc oxide and octinoxate, and also delivers a boost of hydration to skin from hyaluronic acid. Kathleen Mulpeter, Health.com, "Drew Barrymore Swears By This 'Amazing' Lightweight Sunscreen That Doesn't Cause Breakouts," 4 June 2018 Try to choose a physical sunscreen that contains zinc oxide and/or titanium dioxide, rather than chemical ingredients like oxybenzone and octyl methoxycinnamate. Dr. Leslie Baumann, miamiherald, "What are the best sunscreens for swimming and sports? | Miami Herald," 22 May 2018

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.

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First Known Use of zinc oxide

1849, in the meaning defined above

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Last Updated

1 Dec 2018

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Time Traveler for zinc oxide

The first known use of zinc oxide was in 1849

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More Definitions for zinc oxide

zinc oxide


Medical Definition of zinc oxide 

: 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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living or existing for a long time

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