(mathematics) Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x⁴ − 4x³ + 3x² − x + 1.
noun
(mathematics) A biquadratic equation.
biquadratics
biquadratics
noun
plural of biquadratic
chequerboard
chequerboard
noun
Alternative spelling of checkerboard
quadribasic
quadribasic
adj
(chemistry) tetrabasic
quadrisyllabic
quadrisyllabic
Adjective
Having four syllables
quadrisyllabical
quadrisyllabical
adj
quadrisyllabic
quadritubercular
quadritubercular
adj
Having four tubercles or cusps
quadrituberculate
quadrituberculate
adj
Synonym of quadritubercular
quarterbacked
quarterbacked
verb
simple past tense and past participle of quarterback