QUARTIC
biquadrate, biquadratic, quartic, fourth power
(noun) an algebraic equation or function of the fourth degree
Source: WordNet® 3.1
Adjective
quartic (not comparable)
(mathematics) of or relating to the fourth degree
Noun
quartic (plural quartics)
(mathematics) An algebraic equation or function of the fourth degree.
(mathematics) A curve describing such an equation or function.
Usage notes
Not to be confused with quadratic (“degree two”); see quadratic: usage notes.
Hyponyms
• squircle
Source: Wiktionary
Quar"tic, a. Etym: [L.quartus fourth.] (Mach.)
Definition: Of the fourth degree.
Quar"tic, n.
(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.
Source: Webster’s Unabridged Dictionary 1913 Edition