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Galois theory

American  
[gal-wah, ga-lwa] / gælˈwɑ, gaˈlwa /

noun

Mathematics.
  1. the branch of mathematics that deals with the application of the theory of finite groups to the solution of algebraic equations.


Galois theory British  
/ ˈɡælwɑː /

noun

  1. maths the theory applying group theory to solving algebraic equations

"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 Galois theory

First recorded in 1890–95; named after Évariste Galois (1811–32), French mathematician