- 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 scalarClassical Latin scalaris, of a ladder ; from scalae, steps, ladder: see scale
a scalar quantity
- 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.
Of or relating to a scalar.
Origin of scalarLatin scalaris, of a ladder, from scalae, ladder; see scale2.