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

This innovative process achieves heat treatment speeds that are 25 times faster while occupying significantly less space, addressing crucial scalability issues that have long impeded the commercialization of solid-state batteries. —Trefis Team, Forbes.com, 27 June 2025

QuantumScape announced a breakthrough in its process for making solid-state batteries. —Medora Lee, USA Today, 26 June 2025

QuantumScape — Shares soared more than 35% after the startup, which develops solid-state lithium-metal battery technology, announced the integration of its advanced Cobra separator process into baseline cell production. —Pia Singh, CNBC, 25 June 2025

Power Station With first-in-space solid-state battery technology, Japanese brand Yoshino is able to pack more capacity into less size and weight than anyone else in the space. —Wes Siler, Outside Online, 21 June 2025

Word History

First Known Use

circa 1951, in the meaning defined at sense 1

Rhymes for solid-state

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

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