trivariate
Adjective
Meaning
trivariate (not comparable)
(mathematics) Having or involving exactly three variables.
Related terms
Examples
Again, so that the set of objects under consideration be closed under subtraction, a study of trivariate polynomials usually allows bivariate polynomials, and so on.
It is possible to further classify multivariate polynomials as bivariate, trivariate, and so on, according to the maximum number of indeterminates allowed.