quartic definition
quartic - an algebraic equation of the fourth degree. biquadrate, biquadratic, fourth power. number - a concept of quantity involving zero and units; every number has a unique position in the sequence.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Quartic(adj) of the fourth degree. 2  Quartic(noun) a quantic of the fourth degree. 3  Quartic(noun) a curve or surface whose equation is of the fourth degree in the variables.