geometric — of or relating to geometry or to the principles of geometry.
gravimetric — of or relating to measurement by weight.
parametric — Mathematics. a constant or variable term in a function that determines the specific form of the function but not its general nature, as a in f (x) = ax, where a determines only the slope of the line described by f (x). one of the independent variables in a set of parametric equations.
Four-or-more syllable rhymes
econometric — the application of statistical and mathematical techniques in solving problems as well as in testing and demonstrating theories.