Group

A group is a number of people or things that are located, gathered, or classed together.

Groups of people

• Social group, an entity of two or more people that strives through collaborative empiricism
• Ethnic group, an entity with members sharing similar phenotype, lingua, lineage and sociocultural experiences
• Organization, an entity that has a collective goal and is linked to an external environment
• Peer group, an entity of three or more people with similar age, ability, experience, and interest.

Science and technology

Mathematics

• Group (mathematics), a set together with a binary operation satisfying certain algebraic conditions

Chemistry

• Functional group, a group of atoms which provide some property to a molecule
• Group (periodic table), a column in the periodic table of chemical elements

Computing and the Internet

• Group (computing), a collection of users or other objects
• Group (database)
• Group (online social networking)
• Usenet newsgroup
• Google Groups
• Yahoo! Groups
• Facebook groups

Other uses in science and technology

• Group (stratigraphy), in geology, consisting of formations or rock strata
• Cultivar group, in biology, a classification category in the International Code of Nomenclature for Cultivated Plants
• Galaxy groups and clusters, in cosmology
• Group (firearms), the grouping of shots from a firearm
• Language group, a unit of classification within a Language family

Other uses

• Breed Groups (dog), the group or category to which breeds of dogs are assigned by kennel clubs
• Group (auto racing), a category of car allowed to compete in auto racing
• Army group
• Group (air force), an air force formation
• Corporate group, a group of affiliated companies
• Group psychotherapy, sometimes colloquially known as "group"

See also

• All pages with titles containing Group

• Affiliation (disambiguation)
• Association (disambiguation)
• Class (disambiguation)
• Grouping (disambiguation)
• The Group (disambiguation)
• List of animal names, including collective nouns for groups of animals
• Principle of abstraction
• Set (disambiguation)
• Syndicate
• Union (disambiguation)