Biquadratic

adj, noun

Definitions

Adjective
  1. 1
    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. not-comparable
Adjective
  1. 1
    involving the fourth and no higher power of a quantity or degree wordnet
Noun
  1. 1
    A biquadratic equation.
  2. 2
    a polynomial of the fourth degree wordnet
  3. 3
    an equation of the fourth degree wordnet
  4. 4
    an algebraic equation or function of the fourth degree wordnet

Etymology

Etymology 1

From bi- + quadratic.

Etymology 2

From bi- + quadratic.

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