All articles starting with S
44,216 articles
Subperiosteal Dental Implantation
Subperiosteal dental implantation: custom metal frameworks placed on the jawbone surface beneath the periosteum (Dahl, 1943). Revived via CAD/CAM 3D printing for severe jaw atrophy; ~97.8% short-term survival, soft-tissue exposure the main complication.
Subpoena
Subpoena is a legally binding order issued under the authority of a court or government body, which compels a person to testify or produce evidence.
Subprime lending
Subprime lending is the practice of making loans to borrowers with weak credit histories or high debt, at rates and fees above prime borrowers' rates.
Subprime mortgage crisis
The subprime mortgage crisis, also called the subprime meltdown, was the 2006–2007 collapse of US mortgages to weaker borrowers that triggered the worldwide financial crisis of 2007–2009.
Subra Suresh
Subra Suresh is an engineer and materials scientist known for research on fatigue of materials and for leading the National Science Foundation, Carnegie Mellon, and Nanyang Technological University.
Subradiance
Subradiance is a cooperative quantum optics effect, predicted by Robert Dicke in 1954, in which destructive interference in an ensemble of emitters slows collective emission below the single-emitter decay rate.
Subrahmanyan Chandrasekhar (சுப்பிரமணியன் சந்திரசேகர்)
Subrahmanyan Chandrasekhar (சுப்பிரமணியன் சந்திரசேகர்), known as Chandra, was an Indian-born American astrophysicist at the University of Chicago who shared the 1983 Nobel Prize in Physics.
Subramania Bharati (சி. சுப்பிரமணிய பாரதி)
C. Subramania Bharati (சி. சுப்பிரமணிய பாரதி), also Bharathiyar or Mahakavi Bharati (1882–1921), Tamil poet, journalist and nationalist from Ettayapuram; father of the modern Tamil literary style, editor of India, Pondicherry exile 1908–1918.
Subramanian Swamy (சுப்பிரமணியன் சுவாமி)
Subramanian Swamy (சுப்பிரமணியன் சுவாமி) is an Indian economist and politician, born 1939, who taught at Harvard and IIT Delhi, served in Parliament, and pursued the 2G spectrum case.
Subramaniapuram (சுப்ரமணியபுரம்)
Subramaniapuram (சுப்ரமணியபுரம்) is a 2008 Tamil period action film written, produced, directed by, and starring M. Sasikumar in his debut, set in 1980s Madurai, with Jai, Swathi, and Samuthirakani, music by James Vasanthan, and noted as a cult classic that inspired Gangs of Wasseypur.
Subramaniya Swamy Temple, Thiruvidaikazhi
Subramaniya Swamy Temple, Thiruvidaikazhi (Thiruvellaikadi), a Murugan temple in Mayiladuthurai district, Tamil Nadu, called Cholanattu Thiruchendur, where Murugan and a Shiva lingam share one sanctum and the Vaikasi Sadayam festival is held.
Subrata K. Chakrabarti
Subrata K. Chakrabarti (1941–2009) was an offshore hydrodynamicist who founded Offshore Structure Analysis Inc. and was elected to the National Academy of Engineering in 2002.
Subrata Mitra (সুব্রত মিত্র)
Subrata Mitra (সুব্রত মিত্র) is an Indian venture capitalist who helped launch Accel's India office in 2008 and was an early, often first, investor in Flipkart.
Subrata Paul (সুব্রত পাল)
Subrata Paul (সুব্রত পাল), born 1986, Indian goalkeeper nicknamed Spiderman; 67-68 India caps, 2011 Asian Cup, ISL Golden Glove 2017-18 with Jamshedpur FC, Arjuna Award 2016, retired December 2023.
Subregion
Subregion: an area nested within a larger region. In geocoding (ArcGIS, AWS) it is the division below a state or province, typically a county; in UN M49 statistics it is a grouping of countries within a continental region.
Subretinal injection
Subretinal injection is a surgical procedure delivering fluid, cell suspensions, or viral vectors between the retina and retinal pigment epithelium, used mainly for retinal gene therapy.
Subriel Matías
Subriel Matías, "El Orgullo de Maternillo", Puerto Rican light welterweight boxer from Fajardo; two-time world champion (IBF 2023–24, WBC 2025–26), 23-3 with 22 knockouts, pressure style, stopped by Dalton Smith in 2026.
SubRip
SubRip, known by its file extension SRT, is a plain-text subtitle format created in 2001 by a Windows program that extracted subtitles from DVDs using OCR.
Subrogation
Subrogation is the legal process by which one party assumes another's legal rights, such as when an insurer takes over a policyholder's claim against whoever caused the harm.
SubRosa
SubRosa is an American experimental doom metal band from Salt Lake City, Utah, formed in 2005 around guitarist Rebecca Vernon and known for its two electric violins.
Subroto Bagchi
Subroto Bagchi is an Indian entrepreneur, public servant, and author who co-founded the IT services company Mindtree in 1999, serving as its chief operating officer and executive chairman until 2016.
Subroutine library
A subroutine library is a collection of pre-written routines, such as mathematical functions or cryptographic primitives, that programs call through a defined interface while the implementation stays hidden.
Subscapularis muscle
Subscapularis (musculus subscapularis): largest rotator cuff muscle, filling the scapula's subscapular fossa, inserting on the humerus' lesser tubercle; the cuff's only internal rotator, innervated by upper and lower subscapular nerves (C5-C6), prone to underdiagnosed tears.
Subscapularis repair
Subscapularis repair is a surgical technique that reattaches a torn subscapularis tendon to its footprint on the lesser tuberosity of the humerus, performed arthroscopically or open, usually with suture anchors.
Subscript and superscript
Subscript and superscript: characters or styled text set below or above the baseline, used in exponents, chemical formulas, footnotes, and phonetic transcription; Unicode encodes only compatibility digits and modifier letters, preferring markup.
Subscription business model
The subscription business model charges customers on a recurring schedule for continued access to a product or service, typically until cancellation, and is used by SaaS, media, and subscription box firms.
Subscription license
A subscription license is a software licensing model in which recurring fees buy the right to use software for a paid term, unlike a perpetual license.
Subsea 7
Subsea 7 is a Luxembourg-domiciled engineering, construction, and services contractor to the offshore energy industry, created in 2002 and listed on the Oslo Børs under ticker SUBC.
Subsea production tree
A subsea production tree, or wet Christmas tree, is an assembly of valves on a seabed wellhead that controls flow from a subsea oil or gas well.
Subsea road tunnel
A subsea road tunnel, or subsea tunnel, is a road tunnel bored through bedrock beneath the seabed to link two shores; the form is most developed in Norway.