gallium arsenide

noun

: a synthetic compound GaAs used especially as a semiconducting material

Examples of gallium arsenide 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 researchers used quantum-well PIN photodiodes made from gallium arsenide and aluminum gallium arsenide (GaAs/AlGaAs). — Rupendra Brahambhatt, Interesting Engineering, 19 July 2026 Vector Photonics has developed PCSELs made of indium phosphide and indium gallium arsenide phosphide that a commercial fab could reproduce and manufacture reliably. — IEEE Spectrum, 7 May 2026 That photonic cold plate will largely be made up of a semiconductor material called gallium arsenide. — New Atlas, 13 Apr. 2025 The increase is attributed to higher demand for indium phosphide (InP) and gallium arsenide (GaAs) substrates. — Quartz Intelligence Newsroom, Quartz, 14 Mar. 2025 See All Example Sentences for gallium arsenide

Word History

First Known Use

circa 1961, in the meaning defined above

Time Traveler
The first known use of gallium arsenide was circa 1961

Rhymes for gallium arsenide

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Browse Nearby Words

gallium
gallium arsenide
gallivant
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Cite this Entry

“Gallium arsenide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gallium%20arsenide. Accessed 1 Aug. 2026.

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More from Merriam-Webster on gallium arsenide

Britannica.com: Encyclopedia article about gallium arsenide

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