# cofactor

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## English[edit]

### Etymology[edit]

### Noun[edit]

**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[edit]

- (determinant of a submatrix): minor (unsigned)

#### Derived terms[edit]

#### Translations[edit]

substance that must be present for an enzyme to function

### Further reading[edit]

## Spanish[edit]

### Noun[edit]

**cofactor** m (*plural* **cofactores**)