Scalar may refer to:
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Scalar (mathematics), an element of a field, which is used to define a vector space, usually the field of real numbers
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Scalar (physics), a physical quantity that can be described by a single element of a number field such as a real number
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Lorentz scalar
In a relativistic theory of physics, a Lorentz scalar is an expression, formed from items of the theory, which evaluates to a scalar, invariant under any Lorentz transformation
In physics, the Lorentz transformations are a six-parameter famil ...
, a quantity in the theory of relativity which is invariant under a Lorentz transformation
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Pseudoscalar, a quantity that behaves like a scalar, except that it changes sign under a parity inversion
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Scalar (computing), any non-composite value
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Scalar boson
A scalar boson is a boson whose spin equals zero. ''Boson'' means that the particle's wave function is symmetric under particle exchange and therefore follows Bose–Einstein statistics. The spin-statistics theorem implies that all bosons have an ...
, in physics, a boson subatomic particle whose spin equals zero
See also
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dot product
In mathematics, the dot product or scalar productThe term ''scalar product'' means literally "product with a scalar as a result". It is also used sometimes for other symmetric bilinear forms, for example in a pseudo-Euclidean space. is an algeb ...
, also known as scalar product
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dimensionless quantity, also known as scalar quantity
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Inner product space
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Scalar field
In mathematics and physics, a scalar field is a function associating a single number to every point in a space – possibly physical space. The scalar may either be a pure mathematical number (dimensionless) or a scalar physical quantity ...
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Scale (music)
In music theory, a scale is any set of musical notes ordered by fundamental frequency or pitch. A scale ordered by increasing pitch is an ascending scale, and a scale ordered by decreasing pitch is a descending scale.
Often, especially in th ...
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Scaler (disambiguation)
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Pterophyllum scalare
''Pterophyllum scalare'', most commonly referred to as angelfish or freshwater angelfish, is the most common species of ''Pterophyllum'' kept in captivity. It is native to the Amazon Basin in Peru, Colombia, and Brazil. Particularly to the Ucayali ...
'' (Lichtenstein, 1823), a species of freshwater angelfish
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Scala (disambiguation)
Scala or SCALA may refer to:
Automobiles
* Renault Scala, multiple automobile models
* Škoda Scala, a Czech compact hatchback
Music
* Scala (band), an English electronic music group
* Escala (group), an electronic string quartet formerly k ...
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