ten·sor (tĕnsər, -sôr′)
1. Anatomy A muscle that stretches or tightens a body part.
2. Mathematics A set of quantities that obey certain transformation laws relating the bases in one generalized coordinate system to those of another and involving partial derivative sums. Vectors are simple tensors.
[New Latin tēnsor, from Latin tēnsus, past participle of tendere, to stretch; see TENSE1.]
ten·sori·al (-sôrē-əl) adj.
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