Section

Music

• Section, an instrumental group within an orchestra
• The Section (band), a 1970s American instrumental rock band
• Section (music), a complete, but not independent, musical idea
• "Section", a song by 2 Chainz from the 2016 album ColleGrove

Organisations

• Section (Alpine club)
• Section (military unit)
• Section (Scouting)

Science, technology and mathematics

Science

• Histological section, a thin slice of tissue used for microscopic examination, achieved by sectioning
• Section (archaeology), a view in part of the archaeological sequence showing it in the vertical plane
• Section (biology), a taxonomic rank that is applied differently between botany and zoology
• Section (botany)
• Section (geology), a diagram representing geologic features intersecting a vertical plane

Mathematics

• Conic section, intersection of a cone and a plane
• Section (category theory), a right inverse of some morphism
• Section (fiber bundle), in topology
• Part of a sheaf (mathematics)
• Section (group theory), a quotient object of a subobject

Other uses in science and technology

• , an HTML5 element
• Sectioning (car), a customization of hot rod cars

Surveying

• Section (United States land surveying), an area nominally one square mile
• Section, an area of one square mile in Dominion Land Survey, Western Canada
• Section, part of the Alberta Township System

Other uses

• Section (rail transport), a portion of railway line or a portion of a train
• Section, Alabama, a town in the United States
• Sectioning, involuntary commitment for severe mental illness

See also

• Caesarean section, or C-section, the use of surgery to deliver babies
• Cross section (disambiguation)
• Division (disambiguation)
• Part (disambiguation)
• Sectional (disambiguation)
• Sector (disambiguation)
• Segment (disambiguation)