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Related to bilinear: Bilinear form, Bilinear filtering
Linear with respect to each of two variables or positions. Used of functions or equations.
1. (Mathematics) of or referring to two lines
2. (Mathematics) of or relating to a function of two variables that is linear in each independently, as f(x, y) = xy
bi•lin•e•ar(baɪˈlɪn i ər)
1. of or pertaining to two lines: bilinear coordinates.
2. of the first degree in each of two variables.