(group theory) A mapping of a mathematical group to the permutations of an object that is compatible with the group operation.

(sports) the stage of a competition where teams in the same group play each other, usually before the knockout stage.

plural of steering group

A committee whose function is to arrange the schedules of business for a legislative assembly or other organization

plural of fundamental group

plural of Euclidean group

(biochemistry) The non-protein component of a conjugated protein.

An individual in charge of a group of people.

(mathematics) An abelian group constructed from a commutative monoid in a universal way.

(sports, jargon) A group in a multi-stage tournament which is unusually competitive, because the number of strong competitors in the group is greater than the number of qualifying places available for the next phase of the tournament.