¦ ̷ ̷ ̷ ̷ ˌ ̷ ̷ adjective
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 (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