Hypertext Webster Gateway: "Scalar"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Scalar \Sca"lar\, n. (Math.)
In the quaternion analysis, a quantity that has magnitude,
but not direction; -- distinguished from a vector, which has
both magnitude and direction.
From WordNet (r) 1.7 (wn)
scalar
adj : of or relating to a directionless magnitude; "scalar
implicatures"
n : a variable quantity that cannot be resolved into components
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