All articles starting with B

Boussingault (lunar crater)

Boussingault is a 127.61-km-diameter pre-Nectarian impact crater on the Moon's southeastern highlands at 70.21°S, 53.73°E, named for French chemist Jean Baptiste Boussingault and approved by the IAU in 1935.

Bousso bound

The Bousso bound, or covariant entropy bound, is a conjectured law of quantum gravity limiting entropy on a light-sheet to a quarter of a surface's area.

Oct 22, 2026

Boussouma

Boussouma (Busuma) is a traditional Mossi kingdom centered on the town of Boussouma in Sanmatenga province, Burkina Faso, whose Dima ranks equal to the Mogho Naaba of Ouagadougou.

Boustrophedon

Boustrophedon (βουστροφηδόν, "as the ox turns") is alternating-direction writing used in archaic Greek, Etruscan, Phrygian, and other inscriptions, often with mirrored letters, before left-to-right became standard.

Boustrophedon cellular decomposition

Boustrophedon cellular decomposition is a coverage path planning method introduced by Howie Choset and Philippe Pignon in 1997, cutting free space into cells for back-and-forth coverage.

Boutadai

Boutadai (Βουτάδαι) was an ancient Athenian deme of Attica near NW Kerameis, on the Sacred Way near Lakiadai; named for the priest Boutes, it became a deme under Kleisthenes' late 6th-century BCE reforms, its clan becoming the Eteoboutadai.

Bouteillière

Bouteillière: French feminine of bouteillier, an old word for a cup-bearer (échanson); also a rare surname and several lieu-dits, notably at Fréjus with a Roman aqueduct bridge and at Saint-Macaire-en-Mauges with a classified Neolithic menhir.

Bouteloua

Bouteloua, known commonly as grama or grama grass, is a genus of about 57 New World grasses, including blue grama, black grama, sideoats grama, and buffalograss.

Bouteloua gracilis

Bouteloua gracilis, known as blue grama, is a perennial warm-season grass native to Canada, the United States, and Mexico, making up 75% to 90% of production in the shortgrass prairie.

Boutikos potamos

Boutikos potamos (Βουτικός ποταμός), the Butic Canal, was a Roman-era artificial watercourse crossing the Nile Delta west to east, about 185–200 km, named only in Ptolemy's Geography and never verified by excavation.

Bouto

Bouto (Buto) was an ancient Egyptian city in the northwestern Nile Delta, situated at the site of Tell el-Fara'in, and served as the primary cult center for Wadjet.

Boutonneuse fever

Boutonneuse fever, or Mediterranean spotted fever (fièvre boutonneuse), is a tick-borne rickettsial disease caused by Rickettsia conorii, spread by the brown dog tick, marked by fever, rash, and the tache noire eschar.

Boutonnière

Boutonnière, also called buttonhole in British English, is a single flower or bud worn on the left lapel of a suit or tuxedo, traditionally through the lapel buttonhole; distinct from the fuller corsage.

Boutros Boutros-Ghali (بطرس بطرس غالي)

Boutros Boutros-Ghali (بطرس بطرس غالي), Egyptian diplomat and Cairo law professor, sixth UN Secretary-General 1992–1996, first African and first Arab in the post; Camp David negotiator, Agenda for Peace author, denied a second term by US veto.

Sep 23, 2026

Boutros Ghali

Boutros Ghali (بطرس غالي) was a Coptic Egyptian statesman who served as prime minister of Egypt from 1908 to 1910, and was assassinated by a nationalist after presiding over the Dinshaway court.

Oct 22, 2026

Bouvard and Pécuchet

Bouvard and Pécuchet is an unfinished satirical novel by Gustave Flaubert, published posthumously in 1881. It follows two Paris copy clerks who retire to Normandy and fail at mastering every branch of knowledge.

Bouveault aldehyde synthesis

The Bouveault aldehyde synthesis, also called the Bouveault reaction, is an organic reaction converting alkyl or aryl halides to the homologous aldehydes via a Grignard reagent and DMF, reported by Louis Bouveault in 1903.

Bouvet Island

Bouvet Island (Bouvetøya), an uninhabited Norwegian volcanic dependency in the South Atlantic at 54°25′S, is one of the world's most isolated islands: 49 km², 89% glacier-covered, a 1971 nature reserve with no introduced species, annexed by Norway in 1927.

Bouvier Affair

The Bouvier Affair is the 2015 dispute in which Russian billionaire Dmitry Rybolovlev accused Swiss art dealer Yves Bouvier of overcharging him on 38 artworks; all cases were discontinued and the men settled in December 2023.

Bouvier des Flandres

Bouvier des Flandres (Vlaamse Koehond), a large tousled-coated Belgian-French cattle herding and guard dog breed, FCI Group 1 No. 191, 62-68 cm males, nearly extinct after WWI service as a war dog.

Bouvier family

Bouvier family: the American family founded by Michel Bouvier of Pont-Saint-Esprit, Philadelphia cabinetmaker turned real-estate tycoon; best known through Jacqueline Bouvier Kennedy Onassis and the 1953 Kennedy marriage.

Bouyei language

Bouyei (Haausqyaix, 布依语) is a Northern Tai language of the Tai-Kadai family with about 2.6 million speakers in Guizhou, China, and northern Vietnam, closely related to Northern Zhuang, with three sub-dialects and a Latin script standardized on Wangmo County speech.

Oct 10, 2026

Bouygues

Bouygues SA is a family-controlled French industrial group spanning construction, services, telecoms, and media, founded by Francis Bouygues in 1952 and active in over 80 countries.

Bouygues Telecom

Bouygues Telecom is a French full-service telecommunications operator founded in 1994, a subsidiary of the Bouygues group, serving 18.6 million mobile customers as one of France's four main operators.

Sep 19, 2026

Bouyon

Bouyon, a name meaning soup, is a dance music genre from Dominica created by the band WCK in the late 1980s, blending cadence-lypso, jing ping, soca, and dancehall.

Bouzouki (μπουζούκι)

The bouzouki (μπουζούκι) is Greece's long-necked plucked lute, derived from the saz, with trichordo (D-A-D, 68 cm) and tetrachordo forms, siblings tzouras and baglamas, central to rebetiko and laiko and listed as Greek intangible cultural heritage.

Bovanenkovo gas field

Bovanenkovo (Бованенковское) is a giant natural gas field on the Yamal Peninsula in northwest Siberia, Russia. Operated by Gazprom, it holds reserves of 4.9 trillion cubic meters and has produced commercially since 2012.

Bovanenkovo-Ukhta Gas Pipeline

The Bovanenkovo–Ukhta gas pipeline (Бованенково — Ухта) is a Gazprom trunk system carrying gas from the Yamal Peninsula's Bovanenkovskoye field to Ukhta, with the first line operational since 2012.

Bovidae

Bovidae, the hollow-horned ruminant family (antelopes, cattle, goats, sheep), largest family of Artiodactyla with over 140 living species, unshed keratin-sheathed horns, four-chambered stomachs, an 18-million-year fossil record, and domesticated cattle, goats, and sheep.