scalar UK /ˈskeɪ.lə/US /skeɪ.lɚ/adjective 6noun 2forms 1 adjective6 •Having magnitude but not direction. •Consisting of a single value (e.g. integer or string) rather than multiple values (e.g. array). •Of, or relating to scale.Scalar thickening is useful for understanding the propensity of scales to coalesce in certain times and places, or even how a particular scale provides conditions for other forms of scalar production. — 2015 •Pertaining to the dimension on which something is measured.Spector (2006, 2007) suggests to derive this inference as a scalar implicature. — 2014 •Relating to particles with a spin (quantum angular momentum) of 0 (known as spin 0). •Of or pertaining to a musical scale. noun2 •A quantity that has magnitude but not direction. •An amplifier whose output is a constant multiple of its input. formsscalars