(geometry) Any of a class of convex polyhedra that have regular faces but are not uniform (that is, not Platonic solids, Archimedean solids, prisms, or antiprisms).

(geometry) Any of a class of convex semiregular polyhedra, composed of two or more types of regular polygon meeting in identical vertices.

(physics) Any homogenous crystalline solid, consisting of more than one type of molecule or atom randomly dispersed, in which the structure is independent of its composition.

(law) Synonym of attorney-client privilege

Forced isolation in a small space and the denial of contact with other persons, usually as a form of punishment for a prison inmate.

(chemistry) A type of colloid, of the form of one solid dispersed in another continuous solid.

(quantum mechanics) Any of a class of solids (such as that of helium) whose atoms or molecules undergo large zero-point motion even in the quantum ground state (at absolute zero).

A person who lives alone; a recluse or hermit.

living or being alone; solitary

(physics) Having or relating to the physical properties of solid materials, especially electromagnetic, thermodynamic or structural properties of crystalline solids.