Solid (disambiguation)

Solid most commonly refers to a phase (or state) of matter.

Solid may also refer to:

*Solid geometry, the traditional name for the geometry of three-dimensional Euclidean space
**Polyhedron, a geometric object with flat faces and straight edges
*A material with high stiffness or strength, informally
*A material (especially a metal) of which an object is solely made throughout (without joins or holes), e.g.: solid wood
*An object without holes (cf. "hollow")
* Solid (KDE), the device framework of KDE 4
* Solid (솔리드), a 90's Korean R&B group
*"Solid (song)", 1984 Ashford & Simpson song
*"Solid" (album), U.D.O.'s fifth album
*An abbreviation for five basic class design principles in Object-Oriented-Design: Single responsibility principle, Open/closed principle, Liskov substitution principle, Interface segregation principle, Dependency inversion principle
*Solid (billiard ball), the wholly colored balls 1-7
*Solid Snake
*Solid Database
*Do a Solid - To do the right thing, or do a favor.
* Solids - the food babies move to after being breastfed
*Regular human beings or organisms of a 'solid' disposition that the Changeling/Founders call them
*Slang for erection of the penis when sexually excited or aroused. See Erection
*Street solidness, an attribute characterized by physical and mental toughness due to living in hostile urban environments.