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biquadratic	<mathematics> Of or pertaining to the biquadrate, or fourth power. <mathematics> Biquadratic equation, 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. Origin: Pref. Bi- + quadratic: cf. F. Biquadratique. <mathematics> A biquadrate. A biquadratic equation. Source: Websters Dictionary (01 Mar 1998)

biquadratic

<mathematics> Of or pertaining to the biquadrate, or fourth power.
<mathematics> Biquadratic equation, 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.
Origin: Pref. Bi- + quadratic: cf. F. Biquadratique.
<mathematics> A biquadrate.
A biquadratic equation.
Source: Websters Dictionary
(01 Mar 1998)