As an adjective scalar
is (mathematics) having magnitude but not direction.
As a noun scalar
is (mathematics) a quantity that has magnitude but not direction; compare vector.
As a verb scalarize is
to make scalar.
Other Comparisons: What's the difference?
(mathematics) Having magnitude but not direction
(computer science) Consisting of a single value (e.g. integer or string) rather than multiple values (e.g. array)
Of, or relating to scale
(mathematics) A quantity that has magnitude but not direction; compare vector
(electronics) An amplifier whose output is a constant multiple of its input
To make scalar.