English Lexicon

Scalar

/ˈskeɪ.lər/
nounadjectiveCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A quantity that can be described by a single numerical value, often representing magnitude.

    "The temperature is a scalar quantity, measured in degrees."
As adjective
  1. 1

    Relating to a quantity that has only magnitude and no direction.

    "In physics, scalar quantities differ from vector quantities, which have both magnitude and direction."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'scalar' originates from the Latin word 'scala', meaning 'ladder', which reflects the idea of a scale or range. It was adopted into English in the 19th century, primarily in mathematical and scientific contexts to describe quantities that can be represented by a single value.

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