All articles starting with B

Barings Bank

Barings Bank, also known as Baring Brothers, was a London merchant bank founded in 1762 by John and Francis Baring. It collapsed in 1995 after unauthorized trading losses.

Sep 21, 2026

Bariş Boyraz is a Turkish-trained physician-scientist and board-certified anatomic pathologist specializing in breast and gynecologic pathology at Weill Cornell Medical College, known for research on telomere disease.

Barisal District

Barisal District (বরিশাল জেলা), southern Bangladesh, headquarters of Barisal Division; formerly Bakerganj District (1797-1993) after Aga Bakar; 2,784.52 sq km, ten upazilas, 2,570,450 people (2022 census).

Barisal Division

Barisal Division (বরিশাল বিভাগ), Bangladesh's southern deltaic division, established 1 January 1993, with six districts and 40 upazilas, 8.1 million people (2011), high poverty and cyclone exposure, agriculture-based economy.

Oct 20, 2026

Barisan Mountains

Barisan Mountains (Pegunungan Bukit Barisan), the volcanic spine of western Sumatra, Indonesia, formed by subduction of the Indian-Australian Plate, cut by the 1,900-km Sumatran Fault, with Mount Kerinci (3,805 m) as Indonesia's highest volcano.

Barisan Nasional

Barisan Nasional (National Front), Malaysian political coalition formed 1973 from the expanded Alliance of UMNO, MCA, and MIC; ruled Malaysia with two-thirds majorities 1974-2004, lost federal power in 2018, and now serves in Anwar Ibrahim's unity government.

Oct 22, 2026

Barisan Sosialis

Barisan Sosialis (Socialist Front) was a left-wing opposition party in Singapore, formed in 1961 after a split from the People's Action Party and led by Lim Chin Siong and Lee Siew Choh.

Barishal, Barisal Division

Barishal (বরিশাল), also spelled Barisal, is a city on the Kirtankhola River in south-central Bangladesh and capital of Barishal Division (est. 1993, six districts). Its city corporation, formed 2002 from an 1869 municipality, covers 58 sq km with about 419,000 people (2022 census).

Barista

Barista (Italian for bartender; plural baristi): a person trained to make and serve coffee, especially espresso drinks, in a coffee bar; classified as occupation 471231 in Australia, with espresso doses typically 18-21 g.

Barite

Barite, also spelled baryte and called barytes in commerce, is the mineral barium sulfate, whose high density makes it the standard weighting agent in oil and gas drilling mud.

Barito

Barito (Sungai Barito) is a river in Indonesian Borneo about 900 km long that rises in the Schwaner Muller Mountains and flows to the Java Sea at Muara Banjar.

Sep 19, 2026

Barito Pacific

Barito Pacific is a Jakarta-based Indonesian conglomerate founded by Prajogo Pangestu in 1979 as a timber business, listed since 1993, now centered on petrochemicals, geothermal power, and infrastructure.

Baritone

Baritone: the middle male classical voice type between tenor and bass, range about G2–G4, classified by tessitura and passaggio; Fach subtypes include Kavalierbariton, Heldenbariton, and Spielbariton, with roles such as Rigoletto, Scarpia, and Don Giovanni.

Baritone guitar

Baritone guitar: a six-string guitar with a 27-30 inch scale length, tuned a fourth or fifth below standard (typically B-E-A-D-F#-B), between guitar and bass; pioneered by Danelectro in 1956, used in country, metal, surf, and film scoring.

Baritone horn

Baritone horn: B-flat tenor brass instrument of the British brass band, cylindrical bore, three valves, brighter tone than the euphonium; descended from Sax's baritone saxhorn.

Baritone saxophone

Baritone saxophone (bari sax): largest common saxophone, pitched in E flat, sounding an octave and major sixth below written pitch. Invented by Adolphe Sax, 1842; standard low-A-equipped bass voice of big bands, quartets, and wind ensembles.

Barium

Barium, element 56, is a soft, silvery-white alkaline earth metal that reacts rapidly with air and water and is used chiefly as barite in drilling fluids.

Barium borate

Barium borate most commonly refers to beta barium borate (β-BaB₂O₄, BBO), a nonlinear optical crystal used for laser frequency conversion, including fifth harmonics of Nd:YAG lasers.

Barium caprylate

Barium caprylate, also called barium octanoate or barium octoate, is the barium salt of octanoic acid, a metallic soap used as a polymer heat stabilizer, paint drier, and ceramic precursor.

Barium cerate

Barium cerate (BaCeO₃) is a perovskite oxide ceramic that conducts protons at high temperatures, first shown in 1981, but it degrades in CO₂ and water vapor.

Barium chloride

Barium chloride (BaCl2) is a white, water-soluble salt of barium and one of the most acutely toxic soluble barium compounds, used mainly for purifying brine in caustic chlorine plants.

Sep 29, 2026

Barium enema

A barium enema is a radiographic exam in which barium sulfate instilled through the rectum coats the colon for X-ray imaging, used to detect polyps, cancer, and inflammatory disease.

Barium ferrite

Barium ferrite, also called barium hexaferrite, is a ferrimagnetic ceramic with formula BaFe12O19 and a hexagonal magnetoplumbite structure, widely used in permanent magnets, magnetic recording media, and microwave devices.

Barium fluoride

Barium fluoride (BaF₂) is an inorganic compound of barium and fluorine that crystallizes in the cubic fluorite structure and occurs naturally as the mineral frankdicksonite.

Barium fluosilicate

Barium fluosilicate (barium hexafluorosilicate, BaSiF6, CAS 17125-80-3) is a sparingly soluble white barium salt once widely used as an inorganic fluoride insecticide against beetles, now not approved in the EU.

Barium hydroxide

Barium hydroxide, also known as barium hydrate, is a white, strongly basic, water-soluble solid sold chiefly as its octahydrate and used in barium soaps and greases.

Barium nitrate

Barium nitrate (Ba(NO3)2, CAS 10022-31-8), also called barium dinitrate, is a white crystalline soluble barium salt and strong oxidizer used for green pyrotechnic fire, signal lights, barium oxide, and detonators; toxic via hypokalemia.

Barium oxide

Barium oxide (BaO), also called baryta, is a highly alkaline white powder that reacts violently with water and is used as a drying agent and cathode coating.

Barium peroxide

Barium peroxide (BaO2) is an inorganic peroxide of barium, a grayish-white powder and strong oxidizing agent that was the working chemical of the Brin process for industrial oxygen.