Electronics
* Solid-state electronics, circuits built of solid materials * Solid state ionics, study of ionic conductors and their usesMusic
* Solid State Records, a Christian music label * Solid State Records (jazz label), active in the 1960s * Solid State, a music group featuring DJ Dextrous * ''Solid State'' (Leon Russell album), 1984 * ''Solid State'' (Jonathan Coulton album), 2017 * ''Solid State'', an album by Sam PhillipsScience
* Solid-state chemistry, the study of the synthesis, structure, and properties of solid phase materials *See also
* * {{Disambiguation