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(bī′kwŏ-drăt′ĭk) Mathematics
Of or relating to the fourth degree.
n.
An algebraic equation of the fourth degree.

(ˌbaɪkwɒˈdrætɪk) maths
(Mathematics) of or relating to the fourth power
n
(Mathematics) a biquadratic equation, such as x4 + x + 6 = 0

(ˌbaɪ kwɒˈdræt ɪk)
1. involving the fourth, but no higher, power of the unknown or variable in a mathematical formulation.
n.
[1655–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 biquadratic - an algebraic equation of the fourth degreenumber - a concept of quantity involving zero and units; "every number has a unique position in the sequence" 2 biquadratic - an equation of the fourth degreebiquadratic equationequation - a mathematical statement that two expressions are equal 3 biquadratic - a polynomial of the fourth degreemultinomial, polynomial - a mathematical function that is the sum of a number of terms Adj. 1 biquadratic - of or relating to the fourth power
Translations
References in periodicals archive ?
Horng, "Voltage/current-mode universal biquadratic filter using single CCII+," Indian J.
The order of equations for ion concentration at the inner layer of particles was reduced by a biquadratic polynomial, while that at outer layer was reduced by a quadratic polynomial.
Chen, "Current-mode dual-output ICCII-based tunable universal biquadratic filter with low-input and high output impedances", International Journal of Circuit Theory and Applications, vol.
These limitations can be overcome by using an alternative approach in which the background gray-level changes can be matched by employing a simple function such as a plane or biquadratic [12].
The element assumes a biquadratic displacement interpolation but a bilinear temperature interpolation.
1; thus, biquadratic velocity/bilinear pressure interpolation functions are assumed for each element.
However, integrators with electronically adjustable time constant ([tau]) find some exclusive applications [4-6], for example, in electronically tunable biquadratic phase selective filter design [7], as electronic reset controller and phase compensator [8] for process control loops.