519,064 articles
Anti-submarine warfare
Anti-submarine warfare (ASW), also called an anti-submarine operation, is the branch of naval warfare that finds and attacks enemy submarines, using sonar, ships, aircraft, and increasingly uncrewed systems.
Anti-suffragism
Anti-suffragism: organized opposition to women's voting rights, also called the Antis or remonstrants; US groups included MAOFESW and NAOWS (1911, Josephine Dodge), Britain's 1908 Anti-Suffrage League of Mary Ward; defeated by the 1920 Nineteenth Amendment.
Anti-suicide smock
Anti-suicide smock, also called safety smock, suicide smock, or turtle suit: a tear-resistant garment for people at suicide risk in psychiatric and correctional settings, invented by Lonna Speer in 1989.
Anti-tank ditch
An anti-tank ditch is a wide, deep trench dug to halt or trap tanks, a standard obstacle of military field engineering used since the First World War.
Anti-tank dog
Anti-tank dog (собаки-истребители танков, Hundeminen): Soviet military dog carrying a contact-fuzed explosive to destroy tanks. Proposed 1930, trialed 1932, used 1941-1942 against German armor; 1,790 dogs sent to front.
Anti-tank guided missile
An anti-tank guided missile (ATGM), or anti-tank guided weapon, is a guided weapon that destroys tanks and armored vehicles from roughly 1 to 5 km.
Anti-tank gun
An anti-tank gun is a towed, direct-fire artillery piece that destroys tanks with armor-piercing projectiles; it emerged in World War I and was largely displaced by guided missiles after 1945.
Anti-tank mine
An anti-tank mine is a landmine designed to disable or destroy vehicles rather than injure people, triggered by pressure, magnetic signature, or tilt of a passing vehicle.
Anti-tank rifle
An anti-tank rifle (AT rifle) is a large-caliber, man-portable rifle designed to penetrate tank armor. Developed against British tanks in the First World War, it was obsolete against main battle armor by mid-Second World War.
Anti-tank warfare
Anti-tank warfare, also called tank hunting or anti-armor, is the set of weapons, munitions, and tactics developed to destroy or disable armored fighting vehicles, chiefly tanks.
Anti-Tech Revolution (revolutionary movement)
Anti-Tech Revolution (ATR) is an international, aboveground, legal, nonviolent revolutionary movement founded on Theodore Kaczynski's 2016 book Anti-Tech Revolution: Why and How. It seeks to dismantle the technological system through a three-stage strategy of organization building, resistance culture, and legal mass-action dismantling, distinguishing itself from anarcho-primitivism and online-only neo-Luddite currents.
Anti-terrorist Operation Zone
Anti-terrorist Operation Zone (ATO, Антитерористична операція): Ukraine's April 14, 2014 to April 30, 2018 legal and territorial designation for the Donbas conflict zone, run by the SBU Anti-Terrorist Centre and replaced by the Joint Forces Operation.
Anti-thymocyte globulin
Anti-thymocyte globulin (ATG, antilymphocyte globulin): polyclonal IgG from animals immunized with human thymocytes that destroys T lymphocytes. Products include Thymoglobulin, Grafalon, and Atgam; used for severe aplastic anemia, GVHD, and transplant rejection, with horse ATG superior to rabbit ATG in aplastic anemia trials.
Anti-TNF therapy
Anti-TNF therapy is a class of biologic drugs that neutralize tumor necrosis factor to treat autoimmune diseases such as rheumatoid arthritis, inflammatory bowel disease, and psoriasis, with five approved agents.
Anti-tobacco movement in Nazi Germany
The anti-tobacco movement in Nazi Germany was a 1933–1945 campaign against smoking that included bans in public spaces and Franz H. Müller's 1939 study linking smoking to lung cancer.
Anti-transgender movement in the United Kingdom
Anti-transgender movement in the UK, also called the gender-critical movement: campaigns opposing trans rights, driven by GRA reform debate, groups like For Women Scotland and Sex Matters, culminating in the April 2025 Supreme Court FWS ruling defining sex as biological in the Equality Act 2010.
Anti-trusteeship movement
The anti-trusteeship movement (반탁운동) was a Korean political campaign, launched in December 1945 by right-wing leaders against the Moscow Conference's decision to place Korea under trusteeship for up to five years.
Anti-VEGF therapy
Anti-VEGF therapy blocks vascular endothelial growth factor, a protein driving abnormal blood vessel growth and leakage, treating wet macular degeneration and cancers by repeated eye injections or intravenous drugs.
Anti-Venom
Anti-Venom is a Marvel Comics antihero, a white mutated symbiote bonded to Eddie Brock, debuting in Amazing Spider-Man #569 (2008) by Dan Slott and John Romita Jr. It cures disease and destroys other symbiotes, is immune to fire and sound, and later passed to Flash Thompson.
Anti-war movement
Anti-war movement: organized opposition to specific wars or war in general, overlapping with the peace movement. Key examples: WWI dissent and crackdown, the Vietnam-era movement (largest in U.S. history), and 2003 Iraq War protests.
Anti-Western sentiment
Anti-Western sentiment: hostility toward Western countries, societies, or the Western-led order; also called anti-Americanism in its U.S.-focused form. Covers typologies, causes, Russian, Chinese, Iranian, Arab, Balkan, and African manifestations, and 2026 Pew survey trends.
Anti-White racism
Anti-White racism, also called reverse racism or anti-white bias, is racial prejudice or discrimination directed at white people; the article covers its contested terminology, survey-experiment and hiring-audit evidence, measurement scales, and US legal treatment.
Anti-windup
Anti-windup is a family of modifications to controllers with integral action, most commonly PID controllers, that prevents integral windup during actuator saturation, avoiding overshoot and instability.
Anti-Zionism
Anti-Zionism: opposition to Zionism and to Israel as a Jewish state. Key disputes: IHRA vs Jerusalem Declaration definitions, historical Jewish anti-Zionism, and evidence that the association with antisemitism is strong but not equivalent.
Anti–citrullinated protein antibody
Anti–citrullinated protein antibodies (ACPA, anti-CCP) are highly specific autoantibodies against citrullinated proteins, a hallmark of rheumatoid arthritis; the CCP2 test detects them years before symptoms and anchors the 2010 ACR/EULAR criteria.
Anti–money laundering
Anti–money laundering (AML), or AML/CFT, is the regime of laws and FATF standards preventing criminals from disguising illicit proceeds, covering customer due diligence, suspicious activity reporting, supervision, and effectiveness and financial-inclusion debates.
Antialcidas
Antialcidas (Ἀντιαλκίδης) was an Indo-Greek king, most often dated c. 115–95 BCE, known chiefly for the embassy of Heliodorus to the Shunga king Bhagabhadra at Vidisha.
Antiana
Antiana, also Antianis, a Roman castellum in Pannonia Inferior on the Aquincum-Mursa limes road, shown on the Tabula Peutingeriana and Antonine Itinerary, identified with Popovac, Croatia, near Baán and Aureus mons.
Antiandrogen
An antiandrogen, also called an androgen antagonist or androgen blocker, is a drug that stops androgens like testosterone from binding their receptors, used mainly against prostate cancer.
Antiaris toxicaria
Antiaris toxicaria, the upas tree, is a large tropical fig-family tree of the Old World tropics whose poisonous latex is a principal ingredient of dart and arrow poisons.