cover glass

American  

noun

1. a thin, round or square piece of glass used to cover an object mounted on a slide for microscopic observation.

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cover glass British  

noun

1. a thin square of mounted glass used to protect a photographic slide

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Etymology

Origin of cover glass

First recorded in 1880–85

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Example Sentences

See Examples For:

cover glass

The administration has won deals for Intel to make some of Apple’s chips and a commitment from Apple to make all the cover glass for iPhones and Apple Watches in the U.S.

From The Wall Street Journal ● Aug. 15, 2026

Mentioned in the news announcement was a commitment to buy cover glass for iPhones from Corning.

From Los Angeles Times ● Jul. 13, 2026

"Applying protective cover glass layers on either side of the optical diffuser largely maintains the optical properties, yet protects against scratching," says Akira Saito, senior author.

From Science Daily ● Oct. 12, 2023

Also, both screens are laminated, unlike the base-model iPad, so the pixels should look like they come right up to the cover glass.

From The Verge ● Sep. 17, 2021

After bleaching and washing, the wings are dried by holding the slides over an alcohol flame, and a drop of glycerin is then applied and a cover glass put on at once.

From Directions for Collecting and Preserving Insects by C. V. Riley

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