All articles starting with B
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Busuanga Island
Busuanga Island: largest island of the Calamian Group, northern Palawan, Philippines (~971 km²), split into Busuanga and Coron municipalities; non-volcanic continental-fragment geology, dry Dec–May climate, 1944 Coron Bay shipwrecks, and a dugong stronghold.
Busuanzi: Ode to Plum Blossom
Busuanzi: Ode to Plum Blossom (卜算子·咏梅) is a Chinese ci poem by the Southern Song poet Lu You, an allegory of political isolation and integrity.
Busulfan
Busulfan, sold as Myleran and Busulfex, is an alkylating chemotherapy drug introduced in London in 1953 that was the mainstay treatment for chronic myelogenous leukemia before tyrosine kinase inhibitors displaced it.
Busuu
Busuu is an online language learning platform founded in Madrid in 2008 and based in London since 2012, offering courses in 14 languages with native-speaker feedback.
Busy beaver
The busy beaver function, defined by Tibor Radó in 1962, maps a Turing machine's states to the most steps a halting machine of that size can run.
Busy Ming Group
Busy Ming Group is a Changsha-based Chinese discount snack retailer formed in 2023 from Busy for You and Super Ming, China's largest snack chain, listed in Hong Kong in 2026.
Busy Philipps
Busy Philipps (Elizabeth Jean Philipps, born 1979) is an American actress and host known for Kim Kelly in Freaks and Geeks, Audrey Liddell in Dawson's Creek, Laurie Keller in Cougar Town, and the talk shows Busy Tonight and Busy This Week.
Busy signal
A busy signal, also called the engaged tone, is the audible telephone tone indicating that the called line is in use and the call cannot be completed.
Busy Woman
Busy Woman is a 2025 synth-pop song by Sabrina Carpenter from Short n' Sweet (Deluxe), written with Amy Allen and Jack Antonoff, released February 14, 2025 on Island; it peaked at UK number 6 and US Hot 100 number 27.
BusyBox
BusyBox is a single small executable, originally written by Bruce Perens, that combines minimalist versions of over 300 common UNIX utilities for embedded Linux systems.
Busycon spp
Busycon spp, busycon whelks including the knobbed whelk Busycon carica and related channeled whelk Busycotypus canaliculatus, are large predatory melongenid sea snails of the US Atlantic and Gulf coasts, harvested commercially as whelk and distinct from true conchs.
But Here We Are
But Here We Are is Foo Fighters' eleventh studio album, released June 2, 2023 on Roswell/RCA. Produced with Greg Kurstin, it is the first album after drummer Taylor Hawkins' March 2022 death, with Dave Grohl on drums and grief-themed lyrics written first.
But I'm a Cheerleader
But I'm a Cheerleader is a 1999 American satirical romantic comedy directed by Jamie Babbit, starring Natasha Lyonne and Clea DuVall, about a cheerleader sent to the True Directions conversion therapy camp, later a queer cult classic.
But You Caint Use My Phone
But You Caint Use My Phone: Erykah Badu's 2015 phone-themed mixtape, a "TRap & B" tape of 11 Motown tracks made in 12 days with Zach Witness, spawned by her Drake "Hotline Bling" remix.
Buta Kola
Buta Kola, also called Bhoota Kola, is an annual spirit-possession ritual of coastal Karnataka, where a performer dances as a guardian spirit and delivers judgments.
Butabarbital
Butabarbital (Butisol Sodium, secbutobarbitone) is an intermediate-acting oral barbiturate sedative-hypnotic used short-term for insomnia, anxiety, and preoperative sedation; schedule III in the US, with tolerance after about 2 weeks.
Butachlor
Butachlor (CAS 23184-66-9), a chloroacetanilide pre-emergence herbicide for annual grasses in rice, used widely in Asia, Africa, and South America; inhibits VLCFA synthesis, not approved in the EU or US, ADI 0.01 mg/kg bw/day.
Butadiene
Butadiene, also known as vinylethylene, is a colorless, flammable gas, CH2CHCHCH2, recovered mainly as a by-product of ethylene production and used mostly for synthetic rubber; it is a recognized human carcinogen.
Butajiri-Silti Field
Butajiri-Silti Field (Ābaya Isate Gemora YeFelek'ebet) is a basaltic monogenetic volcanic field of cinder cones, maars, and lava flows, 80 km long, on the western margin of Ethiopia's Main Ethiopian Rift near Butajira.
Butalbital
Butalbital is an intermediate-acting barbiturate, DEA schedule III, used in combination analgesics such as Fioricet and Fiorinal with acetaminophen or aspirin and caffeine for tension-type headache; guidelines advise avoiding it for migraine.
Butamifos
Butamifos (CAS 36335-67-8) is an organophosphate herbicide developed by Sumitomo Chemical, registered in Japan in 1980 as Cremart U, Tufler, and Hietop; it kills weeds by microtubule assembly inhibition and is not approved in the EU.
Butane
Butane is a colorless, easily liquefied alkane gas with the formula C₄H₁₀, occurring in two isomers, n-butane and isobutane, and used as fuel, aerosol propellant, refrigerant, and chemical feedstock.
Butanol
Butanol, also called butyl alcohol or BuOH, is any of four isomeric C₄H₁₀O alcohols, usually meaning 1-butanol, a flammable solvent made by the oxo process.
Butanone
Butanone, also known as methyl ethyl ketone (MEK), is a colorless, flammable liquid ketone with the formula C₄H₈O, used industrially as a solvent for coatings, adhesives, and inks.
Butapichón
Butapichón, also spelled Butapichun or Putapichion, was a Mapuche toqui, or war leader, who commanded large offensives against Spanish forces in the Arauco War in Chile during the 1630s.
Butare Province
Butare Province (Préfecture de Butare, formerly Astrida) was a Rwandan prefecture created in 1963 with 20 communes, population 764,448 in 1991, dissolved in 2006 into Southern Province.
Butch and femme
Butch and femme are paired masculine and feminine lesbian identity categories that formed the core of 1940s-1950s US working-class lesbian bar culture, declined under 1970s feminist critique, and persist as queer identities.
Butch Cassidy
Butch Cassidy, alias of Robert LeRoy Parker (born 1866), American outlaw who led the Wild Bunch gang robbing banks and trains, fled to Argentina, and reportedly died in San Vicente, Bolivia, in 1908, a death that remains disputed.
Butch Cassidy and the Sundance Kid
Butch Cassidy and the Sundance Kid is George Roy Hill's 1969 Western starring Paul Newman, Robert Redford, and Katharine Ross, written by William Goldman with a Burt Bacharach score. Top-grossing film of 1969, four Oscars, National Film Registry 2003.
Butch Cassidy's Wild Bunch
Butch Cassidy's Wild Bunch, also called the Hole in the Wall Gang, was a loose band of Old West outlaws led by Cassidy and Kid Curry, robbing banks and trains from the late 1880s to about 1903 before fleeing to South America.