All articles A–Z
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Americanah
Americanah, Chimamanda Ngozi Adichie's third novel (Knopf, May 2013), follows Ifemelu and Obinze from Nigeria to America and London and back; NBCC Award winner, licensed in 29 languages.
Americanization
Americanization: the process of "becoming American" and organized efforts to assimilate immigrants, especially the 1910s–1920s movement; also the global spread of American culture via brands, film, and media.
Americans
Americans are the people of the United States, defined legally by nationality and citizenship and including about 342 million people descended from Indigenous peoples, enslaved Africans, colonists, and immigrants.
Americans for Prosperity
Americans for Prosperity, AFP, is a conservative-libertarian 501(c)(4) advocacy group founded in 2004 by Charles and David Koch, distinguished from FreedomWorks and AFP Action by its permanent grassroots infrastructure and Koch-network funding.
Americans in the Philippines
Americans in the Philippines: U.S. citizens residing in or historically settled in the Philippines, from the 1898–1946 colonial period to today. Estimates range from about 220,000 to 700,000; the 2020 census counted only 6,306 U.S. citizens as foreign residents.
Americans with Disabilities Act of 1990
Americans with Disabilities Act of 1990 (ADA, P.L. 101-336): U.S. federal civil rights law signed July 26, 1990 by George H. W. Bush; five titles cover employment, public services, public accommodations, telecommunications; broadened by the 2008 ADA Amendments Act.
Americas
The Americas: North and South America plus the Caribbean, named America on Waldseemüller's 1507 map; taught as one continent in Latin America and Spain, two in the US, UK, China and India.
Americas Rallycross Championship
Americas Rallycross Championship (ARX), IMG-promoted North American rallycross series 2018-2019 after Global Rallycross folded; champions Scott Speed (2018) and Tanner Foust (2019); cancelled November 2019 for lack of commercial partners.
Americium
Americium (element 95) is a synthetic radioactive actinide metal discovered in 1944 during the Manhattan Project; its isotope americium-241 powers most household ionization smoke detectors.
Americium-241
Americium-241 is a man-made radioactive isotope of americium, with a half-life of about 432 years, best known as the alpha source in smoke detectors and used in well logging.
Americold
Americold Realty Trust is an American REIT headquartered in Atlanta, Georgia, that owns temperature-controlled warehouses, operating 231 facilities worldwide for food storage as of 2025.
AmeriCorps
AmeriCorps, also known as the Corporation for National and Community Service, is the US federal agency for national service and volunteerism, created by an act President Bill Clinton signed in 1993.
Amerigo
Amerigo (Queen Games, 2013) is a Stefan Feld eurogame for 2–4 players, 90 minutes, using a cube tower to randomize actions while exploring and settling a modular island board; distinct from the 2008 Din Li Tsan card game of the same name.
Amerigo Vespucci
Amerigo Vespucci (Americo Vespucio), Florentine merchant-navigator ca. 1451–1512, recognized South America as a new continent; his voyages of 1499 and 1501–1502 underpinned Waldseemüller's 1507 map, which named America after him.
Amerika (novel)
Amerika (Der Verschollene) is Franz Kafka's first, unfinished novel about immigrant Karl Rossmann in New York; written 1912–14, published 1927 by Max Brod under the title Amerika, first translated 1938 by the Muirs.
Amerikabomber
The Amerikabomber was a World War II German Air Ministry initiative to develop a long-range bomber able to strike the United States from Europe; prototypes were built but none entered service.
AmeriKKKa's Most Wanted
AmeriKKKa's Most Wanted, Ice Cube's May 16, 1990 debut solo album on Priority Records, produced entirely by Public Enemy's Bomb Squad with Sir Jinx after his split from N.W.A; number 19 Billboard 200, platinum.
Ameriola
Ameriola: ancient town of Latium, member of the Latin League, northeast of Rome near Nomentum and Tibur; attested in Livy 1.38.4 and Pliny NH 3.68; its precise site is unlocated today.
Ameriprise Financial
Ameriprise Financial, also known as Investors Diversified Services, is an American financial services company offering financial planning, wealth management, and insurance through more than 10,000 advisors.
Ameritech
Ameritech, formally American Information Technologies Corporation, was one of the seven Baby Bells created in the 1984 Bell System breakup; SBC Communications acquired it in 1999.
Amerra Agri
AMERRA Agri is a series of agriculture-focused private funds managed by AMERRA Capital Management, a New York firm founded in 2009 that invests in food and agribusiness debt across the Americas.
Amers
Amers, translated as Seamarks, is a long poem in French by Saint-John Perse, published by Gallimard in Paris in 1957 and organized around the theme of the sea.
Amersfoort, Utrecht
Amersfoort, Utrecht: Dutch city and municipality in Utrecht province, at a ford on the river Eem; city rights 1259, about 163,800 residents in 2026, second city of the province, known for the Koppelpoort and Muurhuizen.
Amersham
Amersham (Agnodesham in Domesday Book) is a Chilterns market town in Buckinghamshire with a 1200 King John market charter, a 1682 Market Hall, and the 1892 Metropolitan Railway that created Amersham-on-the-Hill and Metroland.
Ames Research Center
Ames Research Center, also known as NASA Ames, is a NASA research center at Moffett Field in California's Silicon Valley, founded in 1939 as NACA's second laboratory.
Ames room
Ames room, invented by Adelbert Ames Jr. (dated 1934 or 1946), is a trapezoidal distorted room that looks rectangular through a monocular peephole, making equal-sized people appear giant and dwarf.
Ames test
Ames test (bacterial reverse mutation test): Bruce Ames' 1973 assay using Salmonella typhimurium and E. coli strains to detect point-mutation mutagens, standardized as OECD TG 471 since 1983, the entry screen for genotoxicity.
Ames Vertical Gun Range
The Ames Vertical Gun Range is a NASA hypervelocity impact facility at Ames Research Center, California, firing projectiles at up to 7 km/s to study impacts on planetary surfaces.
Ames, Iowa
Ames, Iowa: Story County city at the Skunk River and Ioway Creek confluence, founded 1864-65 by railroad builder John I. Blair and named for Congressman Oakes Ames; home of Iowa State University, population about 68,000.
Amet-khan Sultan
Amet-khan Sultan, also known as Амет-Хан Султан, was a Soviet fighter ace and test pilot of Crimean Tatar descent, twice Hero of the Soviet Union in World War II.