1.AdjectiveOf or relating to the fifth degree, such as a quintic polynomial which has the form
a
x
5
+
b
x
4
+
c
x
3
+
d
x
2
+
e
x
+
f
=
0
{\displaystyle ax^{5}+bx^{4}+cx^{3}+dx^{2}+ex+f=0}
(containing a term with the independent variable raised to the fifth power).
2.Nouna quintic polynomial:
a
x
5
+
b
x
4
+
c
x
3
+
d
x
2
+
e
x
+
f
{\displaystyle ax^{5}+bx^{4}+cx^{3}+dx^{2}+ex+f}