All articles starting with U
6,146 articles
Unicaja Banco
Unicaja Banco is a listed Spanish retail bank headquartered in Málaga, formed from Andalusian savings banks; after absorbing Liberbank in 2021 it became Spain's fifth-largest bank by assets.
Unicameralism
Unicameralism, or a unicameral legislature, is a one-chamber parliament; 107 of 189 national parliaments are unicameral, and Nebraska has had the only U.S. unicameral, nonpartisan state legislature since 1937.
UNICEF
UNICEF, the United Nations Children's Fund (formerly United Nations International Children's Emergency Fund), founded 11 December 1946, is the UN child-rights agency working in over 190 countries and territories, the world's largest vaccine provider, and 1965 Nobel Peace Prize laureate.
Unicellular organism
Unicellular organism: a single-celled life form (bacteria, archaea, protists, yeasts, algae) whose one cell performs all life functions; typically 1–100 µm, first seen by Leeuwenhoek in the 1670s, and the ancestral state from which multicellularity evolved over 25 times.
Unicervical bicornuate uterus
Unicervical bicornuate uterus, also called bicornuate unicollis uterus, is a rare non-syndromic Müllerian malformation with two uterine horns and one cervix (ICD-10 Q51.3, ORPHA:180114), caused by incomplete Müllerian duct fusion and associated with recurrent pregnancy loss and preterm birth.
Unicharm
Unicharm is a Japanese hygiene-products maker founded in 1961 by Keiichiro Takahara and headquartered in Shikokuchuo, Ehime Prefecture, known for Moony and MamyPoko diapers, Sofy feminine care, and Lifree adult incontinence products.
UniChØrd
UniChØrd (ユニコード) is a four-member DJ unit in Bushiroad's D4DJ media-mix franchise, announced in December 2022 and built around Kaibara Michiru, one of the franchise's most talented DJs.
Uniclass
Uniclass is a unified classification system for all sectors of the UK construction industry, published by NBS; its current edition, Uniclass 2015, is designed for BIM.
unico
Unico, formerly Acesso Digital, is a Brazilian identity-verification company founded in 2007 in São Paulo, offering facial biometrics and fraud prevention, and became Brazil's first IDTech unicorn in 2021.
Unicode
Unicode, also known as the Unicode Standard, is a universal character encoding standard that assigns a unique code to every character, letting text move consistently across software and devices.
Unicode block
A Unicode block is a named, contiguous, non-overlapping range of code points, defined normatively in Blocks.txt, used to organize character allocation and divide the code charts; distinct from scripts and ranges.
Unicode input
Unicode input: methods for entering Unicode characters, including dead keys, the handwriting sequence, hexadecimal code point entry on macOS and Linux, character pickers, and IMEs for Chinese.
Unicode subscripts and superscripts
Unicode subscripts and superscripts: precomposed raised/lowered characters in the U+2070..U+209F block plus Latin-1 ¹²³, encoded for legacy compatibility and phonetic modifier use, with markup preferred for general superscripting.
Unicompartmental knee arthroplasty
Unicompartmental knee arthroplasty (UKA) is a surgical procedure that resurfaces only the damaged compartment of the knee with a partial prosthesis, preserving the cruciate ligaments and native bone.
Uniconazole
Uniconazole (Sumagic, Concise, Sunny; uniconazole-P is the S-isomer) is a triazole plant growth retardant inhibiting gibberellin biosynthesis via CYP701, also blocking BR biosynthesis and ABA catabolism (Ki 8.0 nM), introduced by Sumitomo in 1985.
Unicorn
The unicorn is a legendary one-horned beast of European folklore, first described by Ctesias around 400 BCE and sustained by narwhal tusks sold as medicinal alicorn until naturalists identified them in the 1600s.
Unicorn (finance)
A unicorn, in finance, is a privately held startup company valued at $1 billion or more, a term coined by venture capitalist Aileen Lee in November 2013 to signal rarity.
Unicorn Academy
Unicorn Academy (Netflix, 2023) is a Canadian CGI-animated kids' fantasy series by Spin Master Entertainment and Mainframe Studios, adapted from Julie Sykes' book series, following Sophia and the Sapphires defending Unicorn Island; also a toy, Roblox, and game franchise.
Unicorn Overlord
Unicorn Overlord (ユニコーンオーバーロード) is Vanillaware and Atlus's tactical RPG, released March 8, 2024 on Switch, PS4, PS5, and Xbox Series X|S, blending real-time overworld squad command with turn-based, tactics-programmed battles in Fevrith.
Unicorn seals
Unicorn seals are Mature Harappan Indus stamp seals, usually of burnt steatite, dating to about 2600–1900 BCE; their single-horned bovid is the most common motif on inscribed Indus seals.
Unicorn Store
Unicorn Store is a 2017 American comedy-drama-fantasy film and Brie Larson's feature directorial debut, starring Larson as Kit opposite Samuel L. Jackson's Salesman; premiered at TIFF 2017, released on Netflix April 5, 2019.
Unicorn: Warriors Eternal
Unicorn: Warriors Eternal is a Genndy Tartakovsky animated series (Adult Swim, May 2023) about heroes Melinda, Seng, and Edred, reincarnated into teenage bodies in 1890s London; 10 episodes, 20 years in development.
UniCredit
UniCredit S.p.A., formerly UniCredito Italiano, is an Italian-headquartered commercial bank operating 13 banks across Italy, Germany, Austria, and Central and Eastern Europe, and has pursued a takeover of Germany's Commerzbank since 2024.
Unicron
Unicron is the planet-eating Transformer villain introduced in the 1986 animated film The Transformers: The Movie, voiced by Orson Welles in his final role. Known for the Primus twin mythology, the 2003 Armada toy, and the 27-inch War for Cyberron figure.
Unicuspid aortic valve
Unicuspid aortic valve (UAV), single-leaflet congenital aortic valve, first reported 1958; prevalence 0.02% on adult echo, 4-6% of aortic stenosis valve replacements; acommissural vs unicommissural subtypes; often misdiagnosed as bicuspid; treated by repair or Ross procedure.
Unicycle
A unicycle is a human-powered vehicle with a single wheel and pedals cranked directly on the axle; unlike a bicycle it has no gears or handlebars, the saddle steering it.
Unidad de Fomento
The Unidad de Fomento (UF) is a Chilean inflation-indexed unit of account, adjusted daily by the Consumer Price Index and used since 1967 for housing, insurance, and credit.
Unidentified (2025 film)
Unidentified (المجهولة, Al-majhoula) is a 2025 Saudi crime-mystery thriller by Haifaa Al-Mansour, starring Mila Al Zahrani as Nawal, a true-crime fan investigating a teenage girl's desert death; premiered at TIFF 2025, released by Sony Pictures Classics.
Unidentified decedent
An unidentified decedent, tracked as an unidentified person, is a deceased person whose identity cannot be established despite investigation using fingerprints, dental records, and DNA.
Unidentified flying object
An unidentified flying object (UFO), also known as unidentified aerial phenomena (UAP), is any object or light in the sky that resists identification after investigation, often associated with alien spacecraft.