Definition of 'determinant'

Noun

1. a determining or causal element or factor; "education is an important determinant of one's outlook on life"
      Synonyms: determiner determinative determining factor causal factor
2. the site on the surface of an antigen molecule to which an antibody attaches itself
      Synonyms: antigenic determinant epitope
3. a square matrix used to solve simultaneous equations

Adjective

1. having the power or quality of deciding; "the crucial experiment"; "cast the deciding vote"; "the determinative (or determinant) battle"
      Synonyms: crucial deciding determinative determining

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