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Found 2 items, similar to Biquadratic equation.

**English → English** (WordNet)
Definition: biquadratic equation
biquadratic equation
n : an equation of the fourth degree [syn: biquadratic]

**English → English** (gcide)
Definition: Biquadratic equation
Biquadratic *\Bi`quad*rat"ic\*, a. [Pref. bi- + quadratic: cf. F.
biquadratique.] (Math.)
Of or pertaining to the biquadrate, or fourth power.
[1913 Webster]
Biquadratic equation (Alg.), an equation of the fourth
degree, or an equation in some term of which the unknown
quantity is raised to the fourth power.
Biquadratic root of a number, the square root of the square
root of that number. Thus the square root of 81 is 9, and
the square root of 9 is 3, which is the biquadratic root
of 81. Hutton.
[1913 Webster]

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