solid-state

adjective

sol·​id-state ˌsä-ləd-ˈstāt 

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

In 2025, researchers at the institute developed an all-solid-state DUV laser capable of producing 193nm coherent light, the wavelength used by advanced DUV lithography systems. — Bojan Stojkovski, Interesting Engineering, 19 Sep. 2026

It is powered by solid-state batteries to reduce fire risks while doubling energy density compared to conventional lithium-ion cells. — New Atlas, 13 Sep. 2026

Belkin is joining companies like BMX, Kuxiu, and Zens with the launch of its first power banks featuring semi-solid-state battery technology. — Andrew Liszewski, The Verge, 3 Sep. 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

Word History

First Known Use

circa 1951, in the meaning defined at sense 1

Rhymes for solid-state

• abdicate
• abrogate
• acetate
• activate
• actuate
• aggravate
• agitate
• alginate
• alienate
• allocate
• amputate
• angulate

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