Definitions for scalarˈskeɪ lər
Random House Webster's College Dictionary
representable by position on a scale or line; having only magnitude:
a scalar variable.
of, pertaining to, or utilizing a scalar.
ladderlike in arrangement or organization; graduated.
(n.)a quantity possessing only magnitude.
Ref: Compare vector (def. 1). 1 1
Origin of scalar:
1650–60; < L scālāris of a ladder. See scale3, -ar1
a variable quantity that cannot be resolved into components
of or relating to a musical scale
"he played some basic scalar patterns on his guitar"
of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude
A quantity that has magnitude but not direction; compare vector
An amplifier whose output is a constant multiple of its input
Having magnitude but not direction
Of, or relating to scale
Origin: From scalaris, adjectival form from scala, for *, from scandere; compare scale.
in the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction