solid-state

American  

[sol-id-steyt] / ˈsɒl ɪdˈsteɪt /

adjective

Electronics.

1. designating or pertaining to electronic devices, as transistors or crystals, that can control current without the use of moving parts, heated filaments, or vacuum gaps.

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solid-state British  

noun

1. (modifier) (of an electronic device) activated by a semiconductor component in which current flow is through solid material rather than in a vacuum

2. (modifier) of, concerned with, characteristic of, or consisting of solid matter

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Etymology

Origin of solid-state

First recorded in 1965–70

Example Sentences

By helping researchers quickly identify fast-ion conductors, the method could accelerate the development of high-performance solid-state battery technologies.

From Science Daily • Mar. 7, 2026

The company is developing solid-state batteries, which promise to help lower the cost of electric vehicles.

From The Wall Street Journal • Feb. 13, 2026

QuantumScape, a development-stage company, is pioneering solid-state EV batteries not yet in production vehicles.

From Barron's • Feb. 12, 2026

"A real-world solid-state battery is made of layers of stacked cathode-electrolyte-anode sheets. Manufacturing these without even the tiniest imperfections would be nearly impossible and very expensive," she said.

From Science Daily • Jan. 18, 2026

"I don't mean just in solid-state physics, but in science as a whole."

From Anything You Can Do ... by Garrett, Randall