What is (a) (Alg.) A quantic of the fourth degree. See Quantic. (b) (Geom.) A curve or surface whose equation is of the fourth degree in the variables called?

quartic — (a) (Alg.) A quantic of the fourth degree. See Quantic. (b) (Geom.) A curve or surface whose equation is of the fourth degree in the variables. (Webster's 1913.)

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