**Co*va"ri*ant** (k?-v?"r?-a]/>nt), n. Higher Alg.

A function involving the coefficients and the variables of a quantic, and such that when the quantic is lineally transformed the same function of the new variables and coefficients shall be equal to the old function multiplied by a factor. An invariant is a like function involving only the coefficients of the quantic.

© Webster 1913.