All articles A–Z

Sonar Tari

Sonar Tari (সোনার তরী, "The Golden Boat") is a Bengali poem by Rabindranath Tagore, first published in 1893, in which a boatman carrying paddy represents eternal Time.

Sonar Tori (Bengali: সোনার তরী, alternatively spelt Sonar Tari) is an 1894 collection of Bengali poetry by Rabindranath Tagore, written along the rivers of rural Bengal and regarded as his first popular success.

Sonar-based SLAM

Sonar-based SLAM is simultaneous localization and mapping using sonar sensors as the primary sensing modality, the dominant approach for underwater vehicles where GPS signals do not penetrate and light attenuates quickly.

Sonara

Sonara, short for Société Nationale de Raffinage, is Cameroon's national oil refining company, created in 1973 and operating the country's only refinery in Limbe.

SonarQube

SonarQube is a code quality and security platform, started as open source by Sonar in 2008, that statically analyzes code for bugs, vulnerabilities, and code smells.

Sonata

Sonata: an instrumental composition, from Italian sonare ("to sound"), usually in several movements for one or few players. Distinguished from sonata form, which also governs symphonies and quartets; Baroque da chiesa and da camera types, Classical four-movement scheme.

Sonata Arctica

Sonata Arctica, Finnish power metal band from Kemi formed 1996 as Tricky Beans, then Tricky Means; debut Ecliptica (1999), Unia (2007) shift, Clear Cold Beyond (2024) return to power metal, 30th anniversary 2026.

Sonata form

Sonata form is the three-section movement structure (exposition, development, recapitulation) of Classical and Romantic instrumental music, originating in Baroque rounded binary and central to symphonies, sonatas, and concertos.

Sonatina

Sonatina is a poem in Spanish by Nicaraguan poet Rubén Darío, first published in Buenos Aires in 1895, portraying a sad princess awaiting a liberating prince.

Sonatine (ソナチネ) (1993 film)

Sonatine (ソナチネ) is Takeshi Kitano's 1993 Japanese yakuza film, his fourth feature, starring him as gangster Murakawa sent to Okinawa. Cannes Un Certain Regard 1993, Joe Hisaishi score, a Western breakthrough for Kitano.

Sonatorrek

Sonatorrek is a 25-stanza Old Norse skaldic elegy attributed to the tenth-century Icelandic poet Egill Skallagrímsson, composed, according to Egils saga, after his son Bǫðvarr drowned around 960.

Sonatrach

Sonatrach (سوناطراك) is the state-owned national oil and gas company of Algeria, founded in 1963. It is the largest oil and gas company in Africa.

Sonatype

Sonatype is an American software supply chain security company headquartered in Fulton, Maryland, founded in 2001 by core Apache Maven contributors and best known for Maven Central and Nexus Repository.

Sonay Kartal

Sonay Kartal, British tennis player (born 2001, Sidcup), WTA pro from Brighton. One WTA title (Monastir 2024), career-high No. 44, Wimbledon 2025 fourth round, coached by Julie Hobbs and Ben Reeves.

Sep 21, 2026

SonBinh T. Nguyen

SonBinh T. Nguyen is an American chemist and professor at Northwestern University whose research spans catalysis, organometallic chemistry, and polymer science, including the first well-defined, single-component ruthenium olefin metathesis catalysts.

Sonchiriya (सोनचिड़िया)

Sonchiriya (सोनचिड़िया) is a 2019 Hindi dacoit drama directed by Abhishek Chaubey, set in 1975 Chambal during the Emergency, starring Sushant Singh Rajput, Bhumi Pednekar, and Manoj Bajpayee; critically praised but a box-office disaster.

Sonchus

Sonchus (sow thistles), genus of about 98-99 Asteraceae species in tribe Cichorieae, native Old World to Australia and Pacific islands; wild greens, medicines, fodder, and major weeds such as S. oleraceus.

Sonchus oleraceus

Sonchus oleraceus (annual or common sowthistle) is a cosmopolitan Asteraceae weed native to Europe, the Mediterranean, and the Sahara to Arabia, reproducing only by wind-dispersed seed and a major herbicide-resistant crop weed, also used as food and medicine.

Sonda

Sonda is a family of Brazilian sounding rockets developed from 1965 by Brazil's Instituto de Aeronáutica e Espaço, beginning with the Sonda I, the first rocket launched by Brazil.

Sonde met die Bure

Sonde met die bure is a 1921 satiric-humorous novel by Afrikaans writer C.J. Langenhoven, in which the elephant Herrie pulls a converted tram-house from Oudtshoorn to Meiringspoort.

Sonderbund War

Sonderbund War (Sonderbundskrieg), Swiss civil war of 3–29 November 1847 between seven Catholic cantons led by Lucerne and the liberal Diet under General Dufour; ended almost bloodlessly and produced the Federal Constitution of 1848.

Sønderjylland

Sønderjylland (Southern Jutland), Danish region between the Kongeå and the German border, formerly all of Schleswig; reunified with Denmark in 1920, four municipalities, ~15,000-strong German minority, strong cross-border cooperation.

Sønderjysk elitesport

Sønderjysk elitesport (Sønderjysk Elitesport A/S, SønderjyskE): Danish regional elite-sports organization founded 2003–2004 in Vojens, uniting football (Haderslev), ice hockey (Vojens), and handball clubs; the joint structure has since dissolved into independent clubs.

Sonderkommando

Sonderkommando: German "special command unit"; in Nazi killing centers, Jewish prisoner squads forced to run gas chambers and crematoria, especially at Auschwitz-Birkenau, plus Sonderaktion 1005 body-burning actions; distinct from Einsatzgruppen Sonderkommandos; site of the October 1944 revolt.

Sonderkommando photographs

The Sonderkommando photographs are four secret images taken in August 1944 near Crematorium V at Auschwitz-Birkenau by the Greek Jewish prisoner Alberto Errera (Alex) and fellow Sonderkommando members, smuggled out in a toothpaste tube; the only known victim-taken photographs of the extermination process.

SonderMind

SonderMind is a Denver, Colorado mental health company founded by Mark Frank and Sean Boyd in 2014, matching clients with licensed therapists and psychiatric providers.

Sondheim Theatre

Sondheim Theatre, formerly the Queen's Theatre, is a West End theatre at 51 Shaftesbury Avenue, London, opened 1907, designed by W G R Sprague, renamed in 2019 for Stephen Sondheim's 90th birthday, home of Les Misérables since 2004.

Sep 19, 2026

Sondia

Sondia (손디아), real name Son Min-kyung, is a South Korean singer and vocal trainer who debuted in 2016 and is known as the "OST Queen" for K-drama soundtracks.

Sondra Blake

Sondra Blake, also credited as Sondra Kerr Blake (born August 17, 1936, Los Angeles), is an American actress in film and television from The Stripper (1963) to The Caretaker (2016), ex-wife of actor Robert Blake, known for Helter Skelter and Max Dugan Returns.