: of, relating to, or containing copper with a valence of one
Examples of cuprous in a Sentence
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The coating is made up of cuprous oxide, a reddish chemical compound commonly found in ceramic paints and glazes, as well as in antifouling paints meant to keep marine life, like barnacles, from sticking to a ship's hull.
—
Courtney Linder,
Popular Mechanics,
20 July 2020
Illuminating a cuprous oxide microcrystal excites its electrons, which join with copper ions to form regular copper atoms.
—
Leto Sapunar,
Scientific American,
22 Feb. 2020
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Courtney Linder,
Popular Mechanics,
20 July 2020
Illuminating a cuprous oxide microcrystal excites its electrons, which join with copper ions to form regular copper atoms.
—
Leto Sapunar,
Scientific American,
22 Feb. 2020
Cite this Entry
“Cuprous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cuprous. Accessed 28 Jun. 2026.
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