aluminum oxide

noun

Examples of aluminum oxide in a Sentence

Recent Examples on the Web
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The actual products, primarily made of chromium, aluminum, and aluminum oxide, were incredibly light, weighing only a gram for a square meter of material. Andrew Cunningham, ArsTechnica, 14 Aug. 2025 The improvements to the lithium-ion batteries are due in part to using a nickel cobalt aluminum oxide (NCA) version with aluminum as the cathode. Andrew Moseman, IEEE Spectrum, 24 July 2025 The nickel cobalt manganese aluminum oxide cathode for the lithium-ion battery adds aluminum to the standard nickel cobalt manganese cathode found in many advanced battery designs. New Atlas, 25 June 2025 Sapphire is a variety of the mineral corundum, which is composed almost entirely of aluminum oxide. David Bressan, Forbes.com, 26 June 2025 See All Example Sentences for aluminum oxide

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of aluminum oxide was in 1869

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Cite this Entry

“Aluminum oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aluminum%20oxide. Accessed 22 Aug. 2025.

Kids Definition

aluminum oxide

noun

Medical Definition

aluminum oxide

noun

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