Origin of biquadratic
Examples from the Web for biquadratic
When a biquadratic equation has all its terms, its resolution may be always reduced to that of a cubic equation.
Tartaglia solved the cubic equation, and a little later Ferrari solved the biquadratic.Outlines of Educational Doctrine|John Frederick Herbart
Biquadratic, bī-kwod-rat′ik, n. a quantity twice squared, or raised to the fourth power.