quintic

From Latin quintus (“fifth”) +‎ -ic (“of pertaining to”).

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quintic (not comparable)

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

quintic (plural quintics)

1. (mathematics) a quintic polynomial: ${\displaystyle ax^{5}+bx^{4}+cx^{3}+dx^{2}+ex+f}$

• quintic equation
• quintic function