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quintic

American  
[kwin-tik] / ˈkwɪn tɪk /

adjective

  1. of the fifth degree.


noun

  1. a quantity of the fifth degree.

  2. an equation of the fifth degree.

quintic British  
/ ˈkwɪntɪk /

adjective

  1. maths of or relating to the fifth degree

    a quintic equation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of quintic

1850–55; < Latin quīnt ( us ) fifth + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The questions that concerned them were purely mathematical, having to do with the finding the roots of polynomials and proving the unsolvability of the quintic equation in terms of simple formulas involving radicals. 

From New York Times • May 3, 2010

These last theorems present themselves in the demonstration of the non-existence of a solution of a quintic equation by radicals.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

Many fruitless attempts were made to solve algebraically the quintic equation until P. Ruffini and N.H.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

Equations of the first degree are called simple or linear; of the second, quadratic; of the third, cubic; of the fourth, biquadratic; of the fifth, quintic, and so on.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

His first notable work was a proof of the impossibility of solving the quintic equation by radicals.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg