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cofactor - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From co- +‎ factor.

cofactor (plural cofactors)

  1. A contributing factor.

    • 1985 April 27, Christine Guilfoy, “HTLV-3 Test Availability Elicits Mixed Response”, in Gay Community News, page 3:

      Although many believe HTLV-III plays a primary role in the development of AIDS, it is still unresolved how the virus works and what cofactors, if any, play a role.

  2. (biochemistry) A substance, especially a coenzyme or a metal, that must be present for an enzyme to function.
  3. (biochemistry) A molecule that binds to and regulates the activity of a protein.
  4. (mathematics) The result of a number being divided by one of its factors.
  5. (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.
  • (determinant of a submatrix): minor (unsigned)

cofactor m (plural cofactores)

  1. (biochemistry) cofactor