Section
Encyclopedia : S : SE : SEC : Section
Section can be:
- A cross section (in the common sense or the physics sense)
- In mathematics:
- * A conic section
- * A section of a fiber bundle or sheaf
- * Given a (surjective) homomorphism h: M -> N, a section is a map s: N -> M, such that sh is the identity on N. This might be useful when trying to find a homomorphism N -> M such that a given sequence splits. See split exact sequence: split (mathematics)
- A Caesarean section
- In UK law:
- *Section 28 of the UK's Local Government Act 1988 stated that a local authority "shall not intentionally promote homosexuality"
- *Sectioning is the informal name for involuntary medial treatment ordered using the Mental Health Act 1983.
- In the fictional Star Trek universe, Section 31
- A military unit. In the US Army, it is a half-platoon. In the British Army and its Commonwealth allies a Section is a unit equivalent to a US Army squad.
- A Section is an age grouping of Scouts in order to provide suitable Scouting activities and training for designated age group.
- A section (U.S. land surveying) is a one square mile subdivision of a survey township
- A section of musical form
- A section of a musical ensemble, usually of like instruments, such as the string section in an orchestra.
- The section sign (ยง)
- A section in archaeology is a method of interpreting and recording features.
- A section in botany is a rank between genus and species.
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