Serving to determine or limit; determinative.
- An influencing or determining element or factor: "Education is the second most important determinant of recreational participation” ( John P. Robinson).
- Mathematics The value that is computed from a square matrix of numbers by a rule of combining products of the matrix entries and that characterizes the solvablitity of simultaneous linear equations. Its absolute value can be interpreted as an area or volume.
- Immunology An epitope.