representable by position on a scale or line; having only magnitude: a scalar variable.
of, relating to, or utilizing a scalar.
ladderlike in arrangement or organization; graduated: a scalar structure for promoting personnel.
Mathematics, Physics. a quantity possessing only magnitude.Compare vector(def 1a).
Origin of scalar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
having magnitude but not direction
Word Origin for scalar
C17 (meaning: resembling a ladder): from Latin scālāris, from scāla ladder
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"resembling a ladder," 1650s, from Latin scalaris "of or pertaining to a ladder," from scalae (plural) "ladder, steps, flight of steps" (see scale (n.2)). Mathematical sense first recorded 1846.
Online Etymology Dictionary, © 2010 Douglas Harper
A quantity, such as mass, length, or speed, whose only property is magnitude; a number. Compare vector.
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