QUINTIC
Etymology
Adjective
quintic (not comparable)
(mathematics) Of or relating to the fifth degree, such as a quintic polynomial which has the form ax5+bx4+cx3+dx2+ex+f (containing a term with the independent variable raised to the fifth power).
Noun
quintic (plural quintics)
(mathematics) a quintic polynomial: ax5+bx4+cx3+dx2+ex+f
Source: Wiktionary
Quin"tic, a. Etym: [L. quintus fifth, fr. quinque five.] (Alg.)
Definition: Of the fifth degree or order.
– n. (Alg.)
Definition: A quantic of the fifth degree. See Quantic.
Source: Webster’s Unabridged Dictionary 1913 Edition