scalar.
Having magnitude but not direction.
Meaning & usage
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.
Where this word comes from
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.
A quantity that has magnitude but not direction.
An amplifier whose output is a constant multiple of its input.
Where this word comes from
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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.