SG Heritage Dictionary

Tensor [Noun] Webster's Dictionary 1828

In anatomy, a muscle that extends or stretches a part.

Tensor [Noun] Webster's Dictionary 1913

1. A muscle that stretches a part, or renders it tense.

2. 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.