cofactor

== English == === Etymology === From co- + factor. === Noun === cofactor (plural cofactors) A contributing factor. (biochemistry) A substance, especially a coenzyme or a metal, that must be present for an enzyme to function. (biochemistry) A molecule that binds to and regulates the activity of a protein. (mathematics) The result of a number being divided by one of its factors. (mathematics, linear algebra, of a matrix) The signed determinant of the submatrix produced by removing the row and column containing a specified element; primarily used in the recursive definition and calculation of the determinant of a matrix. ==== Synonyms ==== (determinant of a submatrix): minor (unsigned) ==== Derived terms ==== ==== Translations ==== === Further reading === Cofactor on Wolfram MathWorld == Spanish == === Noun === cofactor m (plural cofactores) (biochemistry) cofactor ==== Related terms ==== === Further reading === “cofactor”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025