Definition: any number of entities (members) considered as a unit
Similar words: abstract entity, abstraction
Definition: a general concept formed by extracting common features from specific examples
Synonyms: group, mathematical group
Definition: a set that is closed, associative, has an identity element and every element has an inverse
Similar words: set
Definition: (mathematics) an abstract collection of numbers or symbols
Usage: the set of prime numbers is infinite
Synonyms: group, radical, chemical group
Definition: (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Similar words: unit, building block
Definition: a single undivided natural thing occurring in the composition of something else
Usage: units of nucleic acids
Synonyms: group
Definition: arrange into a group or groups
Usage: Can you group these shapes together?
Similar words: class, classify, assort, separate, sort, sort out
Definition: arrange or order by classes or categories
Usage: How would you classify these pottery shards--are they prehistoric?
Definition: form a group or group together
Similar words: assemble, gather, foregather, forgather, meet
Definition: collect in one place
Usage: We assembled in the church basement; Let's gather in the dining room