Biquadratic

Definition:

(a.) Of or pertaining to the biquadrate, or fourth power.
(n.) A biquadrate.
(n.) A biquadratic equation.

Compare biquadratic with other words:

biquadratic vs. quartic

biquadratic vs. quadratic

biquadratic vs. equation

biquadrate vs. biquadratic

biquadratic vs. polynomial