tensor Meaning, Definition & Usage

  1. noun a generalization of the concept of a vector
  2. noun any of several muscles that cause an attached structure to become tense or firm

WordNet

Ten"sor noun
Etymology
NL. See Tension.
Definitions
  1. (Anat.) A muscle that stretches a part, or renders it tense.
  2. (Geom.) The ratio of one vector to another in length, no regard being had to the direction of the two vectors; -- so called because considered as a stretching factor in changing one vector into another. See Versor.

Webster 1913