Look up scalar in Wiktionary, the free dictionary.
Scalar may refer to:
- Scalar (mathematics), an element of a field, which is used to define a vector space, usually the field of real numbers
- Scalar (physics), a physical quantity that can be described by a single element of a number field such as a real number
- Lorentz scalar, a quantity in the theory of relativity which is invariant under a Lorentz transformation
- Pseudoscalar, a quantity that behaves like a scalar, except that it changes sign under a parity inversion
- Scalar (computing), any non-composite value
- Scalar boson, in physics, a boson subatomic particle whose spin equals zero
See also
- dot product, also known as scalar product
- dimensionless quantity, also known as scalar quantity
- Inner product space
- Scalar field
- Scale (music)
- Scaler (disambiguation)
- Pterophyllum scalare (Lichtenstein, 1823), a species of freshwater angelfish
- Scala (disambiguation)
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