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pseudoscalar

[soo-duh-skey-ler]
adjective Physics, Mathematics.
  1. a scalar quantity that changes sign when the sense of the orientation of the coordinate system is changed.
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Origin of pseudoscalar

First recorded in 1940–45; pseudo- + scalar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pseudoscalar

pseudoscalar

noun
  1. maths a variable quantity that has magnitude but not direction and is an odd function of the coordinatesCompare pseudovector, scalar (def. 1), tensor (def. 2), vector (def. 1)
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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