# Dictionary Definition

scalar adj : of or relating to a directionless
magnitude; "scalar implicatures" n : a variable quantity that
cannot be resolved into components

# User Contributed Dictionary

## English

### Pronunciation

- Rhymes: -eɪlə(r)

#### Translations

relating to scale

- ttbc French: scalaire
- ttbc Italian: scalare
- ttbc Estonian: skalaar
- ttbc Spanish: escalar
- ttbc Portuguese: escalar
- ttbc Mandarin traditional: 標量
- ttbc Mandarin simplified: 标量

### Noun

#### Translations

# Extensive Definition

A scalar is a variable that only has magnitude,
e.g. a speed of 40 km/h.
Compare it with vector, a
quantity comprising both magnitude and
direction, e.g. a velocity of 40km/h north.

- Scalar (mathematics), a quantity which is independent of viewpoint, a non-tensor
- Scalar (physics), the same as the notion of scalar in differential geometry
- Scalar (computing), an atomic quantity that can hold only one value at a time

## See also

- Scalar field
- Scalar multiplication
- Inner product space
- Scalar product, also known as the dot product
- Pseudoscalar
- Scalar processor
- Pterophyllum scalare (Lichtenstein, 1823), a species of freshwater angelfish

scalar in Arabic: كمية قياسية

scalar in Belarusian: Скаляр

scalar in Catalan: Escalar

scalar in Czech: Skalár

scalar in Danish: Skalar

scalar in German: Skalar

scalar in Spanish: Escalar

scalar in Esperanto: Skalaro

scalar in Finnish: Skalaari

scalar in French: Scalaire

scalar in Hebrew: סקלר

scalar in Indonesian: Skalar

scalar in Malay (macrolanguage): Skalar

scalar in Dutch: Scalair

scalar in Polish: Skalar

scalar in Portuguese: Escalar

scalar in Russian: Скаляр

scalar in Serbian: Скалар

scalar in Ukrainian:
Скаляр