group theory

noun

: a branch of mathematics concerned with finding all mathematical groups and determining their properties

Examples of group theory in a Sentence

Recent Examples on the Web

Noether’s work on these theorems focused physicists’ attention on symmetries and the related field of group theory, which proved extremely helpful in the development of the Standard Model of particle physics. — Manon Bischoff, Scientific American, 23 June 2026

The one who speed-solves a Rubik’s cube and can explain the group theory behind the algorithms. — Dr. Liz Doe Stone, Forbes.com, 2 Mar. 2026

In 2003, a German graduate student named Britta Späth encountered the McKay conjecture, one of the biggest open problems in the mathematical realm known as group theory. — Leila Sloman, WIRED, 23 Mar. 2025

This depends on how deeply their beliefs are rooted in group theory. — Mark Travers, Forbes, 3 Sep. 2024

But mostly, he’s drawn to math, to problems in low-dimensional topology and geometric group theory that keep him awake at night. — Quanta Magazine, 22 May 2024

Word History

First Known Use

1888, in the meaning defined above

Rhymes for group theory

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• beery
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