# scalar

sca·lar- in, on, or involving a scale or scales
- Math. designating or of a quantity that has magnitude but no direction in space, as volume or temperature

Origin of scalar

Classical Latin*scalaris*, of a ladder from

*scalae*, steps, ladder: see scale

a scalar quantity

## scalar

noun

**a.**A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction.**b.***Mathematics*A number, numerical quantity, or element in a field.- A device that yields an output equal to the input multiplied by a constant, as in a linear amplifier.

adjective

Of or relating to a scalar.

Origin of scalar

Latin*scālāris*

*of a ladder*

*from*

*scālae*

*ladder*; see

**scale**

^{2}.

## scalar

Noun

(*plural* scalars)

## scalar - Computer Definition

A single item or value. Contrast with vector and array, which are made up of multiple values. See scalar processor.