Dictionary![]() ![]() sca•larPronunciation: (skā'lur), [key] —adj. 1. representable by position on a scale or line; having only magnitude: a scalar variable. 2. of, pertaining to, or utilizing a scalar. 3. ladderlike in arrangement or organization; graduated: a scalar structure for promoting personnel. —n. Math., Physics.a quantity possessing only magnitude. Cf. vector (def. 1a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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