any number of entities (members) considered as a unit

[ Syn: grouping ]

(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

[ Syn: radical , chemical group ]

a set that is closed, associative, has an identity element and every element has an inverse

[ Syn: mathematical group ]

arrange into a group or groups; Can you group these shapes together?'

form a group or group together

[ Syn: aggroup ]