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.

pseudoscalar

/ ˌsjuːdəʊˈskeɪlə /

noun

1. maths a variable quantity that has magnitude but not direction and is an odd function of the coordinates Compare pseudovector scalar tensor vector

Word History and Origins

Origin of pseudoscalar¹

First recorded in 1940–45; pseudo- + scalar