Adjective biquadratic has 1 sense
  1. biquadratic - of or relating to the fourth power
,Noun biquadratic has 3 senses
  1. biquadrate, biquadratic, quartic, fourth power - an algebraic equation of the fourth degree
    --1 is a kind of number
  2. biquadratic equation, biquadratic - an equation of the fourth degree
    --2 is a kind of equation
  3. biquadratic, biquadratic polynomial, quartic polynomial - a polynomial of the fourth degree
    --3 is a kind of polynomial, multinomial
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