1
: relating to the properties, structure, or reactivity of solid material
especially : relating to the arrangement or behavior of ions, molecules, nucleons, electrons, and holes in the crystals of a substance (such as a semiconductor) or to the effect of crystal imperfections on the properties of a solid substance
solid-state physics
2
a
: utilizing the electric, magnetic, or optical properties of solid materials
solid-state circuitry
b
: using semiconductor devices rather than electron tubes
a solid-state radio

Examples of solid-state 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.
Engineers could potentially design solid-state batteries so their electrolytes remain under constant mechanical pressure during operation. Neetika Walter, Interesting Engineering, 28 Aug. 2026 And the Supertorquer is a solid-state technology, meaning there’s no moving parts that will wear out over time, extending the lifetime of satellites. Alex Knapp, Forbes.com, 28 Aug. 2026 Toyota has been aggressively working on solid-state battery solutions. Brian Sullivan, CNBC, 27 Aug. 2026 The solid-state transformer has a modular design with an active front end interacting with the power grid, an AC/DC converter, and a high-frequency isolation transformer that either steps up or steps down the voltage. Jeremy Hsu, ArsTechnica, 24 Aug. 2026 See All Example Sentences for solid-state

Word History

First Known Use

circa 1951, in the meaning defined at sense 1

Time Traveler
The first known use of solid-state was circa 1951

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Cite this Entry

“Solid-state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solid-state. Accessed 3 Sep. 2026.

Kids Definition

solid-state

adjective
1
: relating to the characteristics and structure of solid material
2
: using semiconductor devices rather than electron tubes
a solid-state radio
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