What is "biquadrate"

Biquadrate \Bi*quad"rate\, n. [Pref. bi- + quadrate.] (Math.) The fourth power, or the square of the square. Thus 4x4=16, the square of 4, and 16x16=256, the biquadrate of 4.

n. (context mathematics English) The fourth power (the square of a square)

n. an algebraic equation of the fourth degree [syn: biquadratic, quartic, fourth power]