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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 bi·qua·drat·ic /ˌbaɪkwɑˈdrætɪk/
 (a.)四乘冪的,四次的四乘冪,四次方程式

From: Webster's Revised Unabridged Dictionary (1913)

 Bi·quad·rat·ic a.  Math. Of or pertaining to the biquadrate, or fourth power.
 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.

From: Webster's Revised Unabridged Dictionary (1913)

 Bi·quad·rat·ic, n. Math. (a) A biquadrate. (b) A biquadratic equation.
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From: WordNet (r) 2.0

 biquadratic
      adj : of or relating to the fourth power
      n 1: an algebraic equation of the fourth degree [syn: biquadrate,
            quartic, fourth power]
      2: an equation of the fourth degree [syn: biquadratic equation]
      3: a polynomial of the fourth degree [syn: biquadratic
          polynomial, quartic polynomial]