oxide

noun

ox·ide | \ ˈäk-ˌsīd

Definition of oxide

: a binary compound of oxygen with a more electropositive element or group

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Marlena Stall from Makeup Geek explains this in detail, but the skinny is that oxides are used to add SPF or sometimes coverage to foundations. — Dafra Sanou, Allure, "How to Find Your Perfect Foundation Shade Match When You Have Dark Skin," 18 July 2018 Under normal circumstances, the titanium/hafnium oxide layer would act like an insulator and block current flow at the intersection of the copper wires. — John Timmer, Ars Technica, "Memristors built with 2-nanometer-thick parts," 14 Nov. 2018 Hematite—a mineral form of iron-oxide—clay minerals, and boron are the various components of this clue. — David Grossman, Popular Mechanics, "Findings in Crater Good Sign for Habitability on Mars," 14 Dec. 2016 The announcement comes as California regulators are pushing for a new ultralow standard for nitrogen-oxide emissions from trucks. — Erica E. Phillips, WSJ, "EPA Targets Trucking Industry for New Air Pollution Rules," 13 Nov. 2018 Soot, dust, ozone, and sulfur oxides are a growing threat for billions of people around the world. — Umair Irfan, Vox, "Why India’s air pollution is so horrendous," 31 Oct. 2018 His work made batteries more powerful and portable by introducing lithium cobalt oxide to their inner workings. — Sarah Mcfarlane, WSJ, "The Battery Pioneer Who, at Age 96, Keeps Going and Going," 9 Aug. 2018 Zinc oxide and titanium oxide are natural alternatives some sunscreens use, still able to block the sun’s harmful UV rays. — Renae Reints, Fortune, "Hawaii to Become First in the World to Ban Sunscreens Harmful to the Environment," 2 July 2018 Uranium milled from ore is called yellowcake, technically known as uranium oxide (U3O8). — Megan Geuss, Ars Technica, "Attention knitters: Researchers harvest uranium from the sea with a yarn “net”," 18 June 2018

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