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scalar

scalar

1 8.2
Having an amount shown by one number without any direction
  • adjective
  • /ˈskeɪlər/
  • Specialized
translation icon : escalar
  • The temperature reading in that room is a scalar measurement, indicating how hot or cold it is without any directional aspect.
  • scalar field
  • scalar product
  • scalar potential

Examples

  • For geographers, the pisco case represents a good example of the interplay of scalar relationships.

    Academic text (2011)
  • So this operation is called scalar multiplication.

  • You can do that via scalar multiplication.

  • I think that the easiest way is to look at the scalar curl of F.

  • The scalar multiplier is loaded outside the loop and remains in a register throughout the computation.

    Academic text (1994)
  • Given that the scalar midpoint of the composite index was 20.00, the participants' attitudes toward both advertisements were generally favorable.

    Academic text (2000)
  • The utilization ratio provides a joint-specific unified scalar quantity representing the task demand normalized by the maximum capacity of an individual (42).

    Academic text (1997)
  • In physics, speed is considered a scalar quantity because it only has magnitude and no direction.

  • Mass is a scalar property of an object, representing how much matter it contains regardless of its position.

Antonyms

vectorial
  • Specialized
8.3

About things that have both direction and strength, like a push

Compounds

scalar field
  • Specialized
1 9.3

A single number at every point in space, like temperature

scalar matrix
  • Specialized
8.2

A square grid of numbers with the same values on the main diagonal and zeros elsewhere

scalar product
  • Specialized
7.0

A single number you get by multiplying pairs of numbers from two vectors and adding them

Surface Forms

scalar positive

Morphology

scalar = scale (semi-transparent) = scale + ar

The adjective is formed from 'scale' + '-ar' and relates to measurement/magnitude in mathematics, but the specialized notion 'magnitude without direction' is a technical usage not immediately inferable to all learners.

Etymology

Scalar as an adjective also comes from Latin scala 'ladder' and the idea of a single step; so calling something scalar means it has only magnitude or amount and no direction, which is why mass or speed can be described as scalar.