Solid state
WordNet
noun
(1) The state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape
WiktionaryText
Adjective
- of, or relating to the physical properties of solid materials, especially electromagnetic, thermodynamic or structural properties of crystalline solids.
- of, or relating to semiconductor materials, components and related devices; as distinct from older technologies such as vacuum tubes.