01 n. A muscle that stretches a part, or renders it tense.
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1.
A muscle that stretches a part, or renders it tense.(Anat.)
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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.(Geom.) See: Versor