electron gas

noun

: a population of free electrons in a vacuum or in a metallic conductor

Examples of electron gas 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.
In conventional GaN electronics, one of these sheets contains mobile electrons, forming a two-dimensional electron gas, or 2DEG. — Rupendra Brahambhatt, Interesting Engineering, 30 Aug. 2026 This layer of electrons—called a two-dimensional electron gas (2DEG)—is highly concentrated and moves with little resistance. — IEEE Spectrum, 11 Aug. 2025 Using an approach proposed four years ago, physicists sent an electron gas through a teeny-tiny particle collider to tease out weird behaviors — especially fractional electric charges — that only arise if anyons are around. — Stephen Ornes, Discover Magazine, 12 Dec. 2020 Quantum fluctuations may cause that solid to sublime, producing materials in which the electrons move freely — a kind of electron gas. — Quanta Magazine, 28 Feb. 2017

Word History

First Known Use

1913, in the meaning defined above

Time Traveler
The first known use of electron gas was in 1913

Rhymes for electron gas

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Browse Nearby Words

electroneutral
electron gas
electron gun
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Cite this Entry

“Electron gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20gas. Accessed 1 Sep. 2026.

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