Definition of SCALAR

scalar

Plural: scalars

Noun

  • A quantity having only magnitude, not direction, in mathematics.
  • a variable quantity that cannot be resolved into components
  • A quantity that has magnitude but not direction; compare vector.
  • An amplifier whose output is a constant multiple of its input.

Adjective

  • 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
    • "scalar quantity"

Adj

  • Having magnitude but not direction.
  • Consisting of a single value (e.g. integer or string) rather than multiple values (e.g. array).
  • Of, or relating to scale.
  • Of or pertaining to a musical scale.
  • Relating to particles with a spin (quantum angular momentum) of 0 (known as spin 0).
  • Pertaining to the dimension on which something is measured.

Examples

  • His score was a SCALAR, a simple number, but his joy was vector-like in magnitude.

Origin / Etymology

Borrowed from Latin scālāris, adjectival form from scāla (“a flight of steps, stairs, staircase, ladder, scale”), for *scadla, from scandere (“to climb”); compare scale. The mathematics sense was coined by Irish mathematician and astronomer William Rowan Hamilton in 1846.

Scrabble Score: 8

scalar: valid Scrabble (US) TWL Word
scalar: valid Scrabble Word in Merriam-Webster MW Dictionary
scalar: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

scalar: valid Words With Friends Word