cover glass

noun

: a piece of very thin glass or plastic used to cover material on a microscope slide

Examples of cover glass in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The front features Corning Gorilla Glass Victus 2 cover glass, while the rear utilizes the first-generation Victus glass. Eric Zeman, PC Magazine, 8 Oct. 2025 In August, Apple announced a $2.5 billion commitment to Corning to produce all of the cover glass for iPhones and Apple Watches in Corning's Harrodsburg, Kentucky, manufacturing facility. Jeff Marks, CNBC, 6 Oct. 2025 Manufacturing of certain components like cover glass and some chips will be reshored, rather than final assembly of the phones, which will remain in China—and to a lesser extent India, Belton added. Nino Paoli, Fortune, 17 Sep. 2025 Through this partnership, all cover glass used on iPhones and Apple Watches sold around the world will be made in the U.S. Corning currently produces glass for Apple at its Harrodsburg plant. Caroline Neal, Louisville Courier Journal, 7 Aug. 2025 Cook announced that every new iPhone and Apple Watch sold anywhere in the world will contain cover glass made in Kentucky. Alex Gangitano, The Hill, 6 Aug. 2025 Their layer-by-layer approach can recycle every part of the devices—the cover glass, metal electrodes, perovskite crystal powders, and the charge transport layers. IEEE Spectrum, 25 Feb. 2025 Corning also committed to only enforce its patents related to break-resistant cover glass based on patent infringement and not breach of contract. Jess Weatherbed, The Verge, 25 Nov. 2024

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of cover glass was in 1881

Cite this Entry

“Cover glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cover%20glass. Accessed 18 Oct. 2025.

Kids Definition

cover glass

noun
: a piece of very thin glass or plastic used to cover something mounted on a microscope slide

Medical Definition

cover glass

noun
cov·​er glass ˈkəv-ər-ˌglas How to pronounce cover glass (audio)
: a piece of very thin glass or plastic used to cover material on a glass microscope slide
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