S (disambiguation)

S is the nineteenth letter of the English alphabet.

S may also refer to:

General

• South on a map, one of the 4 cardinal directions
• s, the SI symbol for second
• Shilling (British coin)
• S postcode area, a postcode area including Sheffield, England
• A party label for the Swedish Social Democratic Party
• Strike (baseball)
• S band, a band of radio which ranges from 2 to 4 GHz
• Sierra, the military time zone code for UTC−06:00

Language and linguistics

• Long s (ſ), a form of the lower-case letter s formerly used where "s" occurred in the middle or at the beginning of a word
• -s, a suffix added to some English surnames, originally meaning "son of"
• s, the IPA symbol for a voiceless alveolar sibilant sound
• S, the subject of an intransitive verb

Mathematics and logic

• Integral symbol (∫), used in mathematics to denote integrals and antiderivatives
• S combinator in combinatory logic
• Sphere
• s(n), the aliquot sum of an integer n

Physics and chemistry

• S, the chemical symbol for the element Sulfur on the periodic table
• S, the symbol for entropy
• S, a non-SI unit used to designate molecule size named after the Svedberg sedimentation coefficient
• S, a label that denotes one of two chiral center configurations in the R/S system
• s, one of the Mandelstam variables, the square of the invariant mass
• Siemens (unit), the SI derived unit of electric conductance
• S-block of the periodic table, which includes alkali metals, alkaline earth metals, and hydrogen and helium
• Spin (physics)
• s, an abbreviation for solid

Biology and medicine

• Serine, a standard amino acid abbreviation
• ATC code S Sensory organs, a section of the Anatomical Therapeutic Chemical Classification System
• S phase or synthesis phase, a period in the cell cycle during interphase

Computing

• Samsung Galaxy S, the first flagship smartphone of the Samsung Galaxy S series
• S (programming language), an environment for statistical computing and graphics
• <s>, the opening tag for the HTML element denoting information that is "no longer accurate or no longer relevant", usually rendered as strike-through text

Books

• S. (Dorst novel), written by Doug Dorst based on story by J.J. Abrams
• S. (Updike novel), part of the Scarlet Letter trilogy by John Updike
• S (novel series), a 2005-2006 light novel series
• "S" Is for Silence, the nineteenth novel in Sue Grafton's "Alphabet mystery" series, published in 2005

People

• S, the pen name of Percy Bysshe Shelley
• "S.", the nickname for Solomon Shereshevsky (1886-1958), a Russian journalist, mnemonist, and synesthete notable for his unusual memory abilities

Music

• S, the stage name of singer-songwriter and guitarist Jenn Champion
• S (group), a short-lived South Korean music group active in 2003 and 2014
• S (EP), a 2001 EP by Japanese musical duo NaNa
• Numbering of Franz Liszt's works according to Humphrey Searle's catalogue

Television

• S, the production code for the 1965 Doctor Who serial The Time Meddler

Automobiles

Production models

• Aion S, a Chinese electric compact executive sedan
• Jaguar S-Type (1963), a British sports saloon
• Jaguar S-Type (1999), a British executive saloon
• Mercedes-Benz S-Class, a German full-size luxury car series
• Mini Cooper S, a British hot hatch
• Tesla Model S, an American electric executive sedan

Prototypes and concepts

• Sony Vision-S, Japanese mid-size electric concept sedan

Series and trims

• Acura Type-S, a range of Japanese performance vehicles
• Audi S, a range of German performance vehicles
• Honda S series, series of Japanese sports cars
• Jaguar S, a range of British performance vehicles

See also

• 's (disambiguation)
• -s (disambiguation)
• S class (disambiguation)
• S Curve (disambiguation)