- involving the fourth, but no higher, power of the unknown or variable.
Origin of biquadratic
Examples from the Web for biquadratic
Historical Examples of biquadratic
Biquadratic, bī-kwod-rat′ik, n. a quantity twice squared, or raised to the fourth power.
Tartaglia solved the cubic equation, and a little later Ferrari solved the biquadratic.Outlines of Educational Doctrine
John Frederick Herbart
When a biquadratic equation has all its terms, its resolution may be always reduced to that of a cubic equation.
- of or relating to the fourth power
- a biquadratic equation, such as x 4 + x + 6 = 0