biquadratic

[ bahy-kwo-drat-ik ]
/ ˌbaɪ kwɒˈdræt ɪk /
Mathematics

adjective

involving the fourth, but no higher, power of the unknown or variable.

noun

Origin of biquadratic

First recorded in 1655–65; bi-1 + quadratic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biquadratic

British Dictionary definitions for biquadratic

biquadratic

/ (ˌbaɪkwɒˈdrætɪk) maths /

adjective Also: quartic

of or relating to the fourth power

noun

a biquadratic equation, such as x 4 + x + 6 = 0
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012