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Definition of Scalar
1. Adjective. Of or relating to a musical scale. "He played some basic scalar patterns on his guitar"
2. Noun. A variable quantity that cannot be resolved into components.
3. Adjective. Of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude. "Scalar quantity"
Definition of Scalar
1. n. In the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction.
Definition of Scalar
1. Adjective. (mathematics) Having magnitude but not direction ¹
2. Adjective. Of, or relating to scale ¹
3. Noun. (mathematics) A quantity that has magnitude but not direction; compare vector ¹
4. Noun. (electronics) An amplifier whose output is a constant multiple of its input ¹
¹ Source: wiktionary.com
Definition of Scalar
1. a mathematical quantity possessing only magnitude [n -S]
Medical Definition of Scalar
1.