Group

Look up group in Wiktionary, the free dictionary.

Group may refer to:

Mathematics

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

Science

Biology

• Cultivar group, a formal classification category in the International Code of Nomenclature for Cultivated Plants

Chemistry

• Functional group, a functional entity consisting of certain atoms whose presence provides a certain property to a molecule
• Group (periodic table), a column in the periodic table of chemical elements

Cosmology

• Galaxy groups and clusters, a small number of galaxies near each other

Other sciences

• Group (stratigraphy), in geology, consisting of formations or rock strata

Society

• Social group
• Ethnic group

• Organization, an entity that has a collective goal and is linked to an external environment

Computing

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

Military

• Army group
• Group (air force), an air force formation

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

See also

• All pages with titles containing "Group"
• Affiliation (disambiguation)
• Association (disambiguation)
• Union (disambiguation)
• Class (disambiguation)
• Set (disambiguation)
• Syndicate
• Grouping (disambiguation)
• The Group (disambiguation)