Definitions for quinticˈkwɪn tɪk
Random House Webster's College Dictionary
(adj.)of the fifth degree.
(n.)a quantity of the fifth degree.
Origin of quintic:
1850–55; < L quīnt(us)fifth+ -ic
a quintic polynomial: ax+bx+cx+dx+ex+f
Of or relating to the fifth degree, such as a quintic polynomial which has the form ax+bx+cx+dx+ex+f (containing a term with the independent variable raised to the fifth power).
Origin: Latin quint-us, 'fifth' and -ic, 'of pertaining to'.
of the fifth degree or order
a quantic of the fifth degree. See Quantic