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Butler

A butler is the senior household professional who manages the front of house, providing personal service and logistics to the principal. The role requires anticipatory awareness and confidentiality.

Butler Act

Butler Act refers to two laws: Tennessee's 1925 anti-evolution statute by John Washington Butler, which triggered the Scopes trial, and the UK Education Act 1944, R.A. Butler's free secondary education reform.

Butler Bulldogs men's basketball

Butler Bulldogs men's basketball: Butler University's Big East program at Hinkle Fieldhouse, Indianapolis. Back-to-back NCAA runner-up in 2010 (Duke) and 2011 (UConn) under Brad Stevens; joined the Big East in 2013.

Butler Cave Conservation Society

Butler Cave Conservation Society (BCCS), founded November 1968 and incorporated in Virginia in 1970, is a non-profit cave conservancy in Burnsville Cove, Bath and Highland Counties, Virginia, owning and managing Butler Cave, over 18 miles long and the fifth longest in Virginia.

Butler County, Ohio, United States

Butler County, Ohio, a southwestern Ohio county with county seat Hamilton, established March 24, 1803, named for General Richard Butler; 7th of Ohio's 88 counties, population 400,128 (2025 estimate).

Butler County, Pennsylvania, United States

Butler County, Pennsylvania, a county created March 12, 1800 from Allegheny County, seat Butler, named for Gen. Richard Butler; 789 square miles, 200,169 residents (2025 estimate), site of the July 13, 2024 Trump rally assassination attempt.

Butler Island

Butler Island, an ice rise in the Larsen Ice Shelf on the Black Coast, Antarctic Peninsula, at 72°12'S 60°20'W; named in 1953 for FIDS commander Kenelm Pierce-Butler and host to a BAS automatic weather station.

Butler Lampson

Butler Lampson is an American computer scientist, a Technical Fellow at Microsoft and adjunct professor at MIT, who won the 1992 Turing Award for distributed personal computing.

Butler matrix

A Butler matrix is a passive microwave beamforming network introduced by Jesse Butler and Ralph Lowe in 1961, widely used in radar, satellites, and 5G antennas.

Butler Mons

Butler Mons is a mountain in Charon's Vulcan Planitia, Pluto's largest moon, named in 2018 for science fiction writer Octavia E. Butler; it rises at least 4.5 km.

Butler University

Butler University, also called North Western Christian University at its 1855 founding, is a private university in Indianapolis, Indiana, with about 5,700 students, seven colleges, NCAA Division I BIG EAST athletics, and a 98% graduate placement rate.

Butler–Volmer equation

The Butler–Volmer equation is the standard empirical relation of electrochemical kinetics, describing how the current density at an electrode depends on its overpotential, the deviation from equilibrium potential.

Butler, Pennsylvania

Butler, Pennsylvania, also known as Butler, PA, is the county seat of Butler County, about 30 miles north of Pittsburgh, laid out in 1803 and the birthplace of the Bantam Jeep.

Buto Facula

Buto Facula, a facula and palimpsest on Jupiter's moon Ganymede in Marius Regio; IAU-named 1985 after the Egyptian swamp of Isis and Osiris; a ~245–290 km remnant impact structure imaged by Galileo.

Buto palace

The Buto palace is a large mudbrick building at Buto (Tell el-Faraʽîn) in the northwestern Nile Delta, identified as a royal palace and economic complex of the Early Dynastic Period.

Buto-Maadi culture

The Buto-Maadi culture, also called the Maadi culture, was a Chalcolithic archaeological culture of Lower Egypt, named after the sites Maadi and Buto, lasting from about 3900 to 3200 BC.

Butocarboxim

Butocarboxim (CAS 34681-10-2, Drawin 755, Co 755) is a synthetic oxime carbamate acetylcholinesterase-inhibiting insecticide and aldicarb isomer, WHO class IB, formerly used systemically against sucking pests; not EU-approved.

Butoconazole

Butoconazole (butoconazole nitrate; Femstat, Gynazole-1) is an imidazole azole antifungal, first approved in 1985, used as 2% intravaginal cream, including a single-dose bioadhesive formulation, for vulvovaginal candidiasis.

Butoh

Butoh (舞踏), also ankoku butoh or "dance of darkness," is a Japanese avant-garde dance theater founded by Tatsumi Hijikata and Kazuo Ohno, beginning with the 1959 performance Kinjiki; it debuted internationally at the 1980 Nancy festival and has no fixed style.

Butomus

Butomus, flowering rush (Butomus umbellatus), a genus of two aquatic plant species native to temperate Eurasia and NW Africa; B. umbellatus is a high-risk invasive ornamental in North America with diploid and triploid cytotypes.

Buton Sultanate

The Buton Sultanate, also known as Kesultanan Buton or Wolio, was an Islamic sultanate on Buton Island off southeastern Sulawesi, Indonesia, which endured from 1541 until 1960 under 38 sultans.

Butorphanol

Butorphanol (Stadol, Torbutrol, Torbugesic) is a synthetic kappa-agonist/mu-antagonist opioid analgesic, Schedule IV, used for mild-to-moderate pain, preanesthesia, cough suppression, and migraine, with a short duration and analgesic ceiling effect.

Butoxycarboxim

Butoxycarboxim (butoxicarboxime, Co. 859) is an oxime carbamate insecticide, the sulfone metabolite of butocarboxim, and a reversible acetylcholinesterase inhibitor. Formerly used as Plant Pin for aphids and spider mites on ornamentals; now not approved in the EU and cancelled in the US.

Butralin

Butralin (CAS 33629-47-9), a dinitroaniline herbicide and plant growth regulator, WSSA Group 3 microtubule inhibitor, used mainly for tobacco sucker control; US-registered since 1976, not EU-approved since 2008/819/EC.

Butrint

Butrint (ancient Buthrotum), southern Albania: Greek, Roman, Byzantine, and Venetian city abandoned in the late Middle Ages; UNESCO World Heritage Site since 1992; excavated since 1928, first by Ugolini's Italian mission.

Butrint Imeri

Butrint Imeri is a Kosovar-Albanian singer and dancer, born in Lörrach, Germany in 1996, who has topped the Albanian charts since the mid-2010s with club-oriented R&B tracks.

Butriptyline

Butriptyline (Evadyne, Evadene, Evasidol) is a tricyclic antidepressant, the isobutyl homologue of amitriptyline, used in Europe from 1974; never FDA-approved and listed as banned in the US, with a plasma half-life of about 20 hours.

Butrium

Butrium (Butrio, Greek Boutorion), small Roman vicus of Ravenna in Gallia Cispadana, on the via Popilia 6 miles north of Ravenna toward Altinum; Umbrian origin per Pliny, located near Sant'Alberto, distinct from Butrint and Budrio.

Butrus al-Bustani

Butrus al-Bustani (بطرس البستاني), known as al-Muallim, was a Lebanese scholar, educator, and journalist of the Al-Nahda who compiled the dictionary Muhit al-Muhit and is regarded as the first Syrian nationalist.

Butsuga

Butsuga (仏画) is the Japanese term for Buddhist painting, in the narrow sense images of Buddhas, bodhisattvas, and mandalas, and broadly any painting on a Buddhist subject.