plural of focus-group (alternative spelling of focus groups).

Third-person singular simple present indicative form of focus-group

(topology) A group which is also a topological space and whose group operations are continuous functions.

(mathematics) A group whose elements are precisely all of the bijections of some set with itself and whose operation is composition of those bijections.

plural of topological group

plural of symmetric group

(algebra) A group in which the group operation is commutative.

A blood type.

(topology) For a specified topological space, the group whose elements are homotopy classes of loops (images of some arbitrary closed interval whose endpoints are both mapped to a designated point) and whose group operation is concatenation.

plural of age group