say it: TEN-sur
tensor is a noun meaning "a generalization of the concept of a vector". It carries 2 recorded senses.
a generalization of the concept of a vector
any of several muscles that cause an attached structure to become tense or firm
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tensor come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.