Section
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- For the sectioning of Wikipedia articles, see Help:Section
Look up section in Wiktionary, the free dictionary.
Section most commonly refers to:
- A part of something (especially a document)
- A cross section (disambiguation) of some kind
Section may also refer to:
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[edit] The Arts
- A section (music) of musical form
- A section of a musical ensemble, usually of like instruments, such as the string section in an orchestra
- Section 31 in the fictional Star Trek universe
[edit] Biology and Medicine
- A cross section (geometry)
- A section (botany), a taxanomic rank below genus
- A Caesarean section, a method of child birth
- Sectioning, involuntary detention for mental treatment in the United Kingdom
[edit] Mathematics
- A cross section (geometry)
- A conic section, a type of geometric curve
- A section of a fiber bundle
- A section of a sheaf
- In homological algebra, a map
s: N -> M, given a (surjective) homomorphismh: M -> N, such thatshis the identity onN; see splitting lemma
[edit] Other uses
- A Section (military unit)
- A Section (Scouting), an age grouping of The Scout Association providing age-suitable activities for children
- A section (U.S. land surveying), a one square mile subdivision of a survey township
- The section sign (ยง), in typography
- An archaeological section, a cross-section of a dig
- A Stratigraphic section, a sequence of layers of rocks in the order they were deposited
