# scalar

[skey-ler]

- 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.

Show More

- Mathematics, Physics. a quantity possessing only magnitude.Compare vector(def 1a).

Show More

## Origin of scalar

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## scalar

- a quantity, such as time or temperature, that has magnitude but not directionCompare vector (def. 1), tensor (def. 2), pseudoscalar, pseudovector
- maths an element of a field associated with a vector space

Show More

- having magnitude but not direction

Show More

## 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

## Word Origin and History for scalar

"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.

Show More

Online Etymology Dictionary, © 2010 Douglas Harper

## scalar

[skā′lər]

- A quantity, such as mass, length, or speed, whose only property is magnitude; a number. Compare vector.

Show More

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.