All articles starting with U
6,146 articles
Universal Declaration on Animal Welfare
Universal Declaration on Animal Welfare (UDAW): proposed non-binding UN-style declaration on animal welfare, drafted from the 2003 Manila Conference and 2005 Costa Rica meeting, coordinated by World Animal Protection, affirming sentience and the five freedoms, never adopted.
Universal Dependencies
Universal Dependencies is a framework for cross-linguistically consistent morphosyntactic annotation of human language, first released in 2015 and now covering treebanks for over 190 languages.
Universal design
Universal design is the design of products and environments usable by all people without adaptation or specialized design, a concept coined by architect Ronald Mace at North Carolina State University.
Universal Design for Learning
Universal Design for Learning (UDL) is an educational framework that designs curricula around multiple means of engagement, representation, and expression, reducing barriers for all students.
Universal Display Corporation
Universal Display Corporation, founded in 1994 and based in Ewing, New Jersey, develops phosphorescent OLED technologies and materials, licensing them to Samsung, LG, and BOE.
Universal DX
Universal DX (Universal Diagnostics, S.A.) is a Spanish liquid-biopsy company founded in Seville in 2012, developing blood tests for early cancer detection, starting with colorectal cancer.
Universal Entertainment
Universal Entertainment Corporation (株式会社ユニバーサルエンターテインメント), formerly Aruze, is a Japanese Pachislot and Pachinko machine maker founded in 1969, operator of Okada Manila casino resort, TSE code 6425.
Universal enveloping algebra
The universal enveloping algebra U(g) of a Lie algebra g is the associative algebra in which the Lie bracket becomes a commutator, so Lie algebra representations and modules of U(g) coincide.
Universal Epic Universe
Universal Epic Universe is Universal Orlando Resort's fourth theme park, opened May 22, 2025, the first major Orlando park in 25 years, with five worlds including Celestial Park, Super Nintendo World, and Dark Universe.
Universal Esperanto Association
Universal Esperanto Association (Universala Esperanto-Asocio, UEA): main international Esperanto organization, founded 1908 in Geneva by Hector Hodler and Edmond Privat; Rotterdam-based, ECOSOC-accredited, runs the annual Universala Kongreso and KER exams.
Universal filtered multi-carrier
Universal filtered multi-carrier, also called UF-OFDM, is a multicarrier modulation scheme proposed as a 5G candidate waveform: an OFDM derivative with per-subband filtering and no cyclic prefix, designed at Bell Labs and published in 2014.
Universal Flash Storage
Universal Flash Storage (UFS), also known as JEDEC UFS, is a flash storage specification defined by JEDEC in 2011, now the dominant storage interface in smartphones and tablets.
Universal gate set
A universal gate set is a finite collection of quantum gates, such as {H, T, CNOT}, from which circuits can approximate any quantum operation to arbitrary precision.
Universal grammar
Universal grammar (UG) is Chomsky's hypothesis that all human languages share innate categories, mechanisms, and constraints. Key arguments are universality, convergence, and poverty of the stimulus; the theory is now heavily criticized.
Universal Guidelines for Artificial Intelligence
The Universal Guidelines for Artificial Intelligence are twelve principles for AI governance published in Brussels in October 2018 by The Public Voice coalition, established by EPIC.
Universal health care
Universal health care (universal health coverage, UHC): all people access needed quality health services without financial hardship. SDG target 3.8; SCI rose 54 to 71 (2000–2023); 4.6 billion still lack essential services; distinct from single-payer or NHS-specific models.
Universal History
The Universal History (Patmutʻiwn tiezerakan) is a three-book world history by the Armenian scholar Stepʻanos Tarōnecʻi, completed around 1005 and covering Abraham to the year 1004.
Universal House of Justice
The Universal House of Justice (Baytu'l-'Adl-i-A'zam) is the nine-member international governing council of the Bahá'í Faith, seated in Haifa, elected every five years by all National Spiritual Assemblies and empowered to legislate on matters not covered in the Sacred Texts.
Universal Hydrogen
Universal Hydrogen was an American Los Angeles startup, founded in 2020, that developed hydrogen fuel cell propulsion for regional aircraft before shutting down in June 2024.
Universal indicator
Universal indicator is a pH indicator solution of several dyes that shows a distinct color for each pH level across the full range, typically 1 to 14.
Universal Instruments
Universal Instruments Corporation is an American manufacturer of automation equipment for electronics assembly, based in Binghamton, New York. Founded in 1919, it has been part of Delta Electronics since 2022.
Universal International Freephone Number
A Universal International Freephone Number (UIFN) is a toll-free telephone number under ITU country code 800, usable as one freephone number in every country where activated.
Universal International Studios
Universal International Studios (UIS) is NBCUniversal's London-based international television production arm under Universal Studio Group, led by Beatrice Springborn, with labels Carnival Films, Monkey, Matchbox Pictures, Working Title Television, and Heyday Television, and merged into Universal Global Television in June 2026.
Universal joint
A universal joint, also called a Cardan joint or Hooke joint, is a coupling that transmits rotation and torque between shafts meeting at an angle, typically 0 to 45 degrees.
Universal jurisdiction
Universal jurisdiction lets national courts prosecute genocide, war crimes, crimes against humanity, torture and enforced disappearance regardless of where committed or offender nationality; rooted in piracy doctrine, expanded since the Eichmann and Pinochet cases.
Universal Kids
Universal Kids, formerly PBS Kids Sprout and Sprout, was an NBCUniversal children's cable channel launched in 2005, rebranded September 9, 2017 for ages 2-11, and shut down March 6, 2025.
Universal Kids Resort
Universal Kids Resort is Universal Destinations & Experiences' first theme park for families with young children (ages 3-8), in Frisco, Texas, opened July 1, 2026, with seven themed lands and a 300-room hotel.
Universal kriging
Universal kriging, also called kriging with a trend or drift, is a geostatistical interpolation method that models a spatial trend plus a correlated residual, generalized by Matheron in 1969.
Universal language
Universal language: the idea of a single tongue for all humanity, from seventeenth-century philosophical schemes (Wilkins, Dalgarno) to planned auxiliary languages like Esperanto (1887) and Interlingua (1951); today English is the de facto lingua franca and machine translation the emerging substitute.
Universal Language (زبان مادری) (2024 film)
Universal Language (زبان مادری; Une langue universelle) is Matthew Rankin's 2024 Canadian comedy-drama set in a Farsi-speaking Winnipeg-Tehran hybrid; it won the first Cannes Directors' Fortnight Audience Award and was Canada's 97th Academy Awards International Feature submission.