519,064 articles
Axion insulator
An axion insulator is a magnetic topological phase of matter in which each gapped surface carries a half-quantized anomalous Hall conductance, with leading candidate materials such as MnBi2Te4.
Axion-like particle
An axion-like particle (ALP) is a light, weakly coupled pseudoscalar boson not tied to the QCD axion, searched for in stellar cooling, gamma rays, and colliders.
Axiopolis
Axiopolis (Ἀξιούπολις), ancient Danube fortress at Hinog Hill near Cernavodă, Romania; Hellenistic emporium, Roman naval-commercial center of the nautae universi Danuvii, 6th-century bishopric, later Byzantine stronghold.
Axios (ΛXIOS) (website)
Axios (stylized logo resembling ΛXIOS) is an American news website and newsletter publisher founded in 2016 by ex-Politico founders Jim VandeHei, Mike Allen, and Roy Schwartz, known for Smart Brevity and sold to Cox Enterprises in 2022 for $525 million.
Axiota Animal Health
Axiota Animal Health is a cattle-health company formed in 2019 by Paine Schwartz Partners and headquartered in Wamego, Kansas, whose products, including Multimin 90 and Lactipro, reach producers in more than 30 countries.
Axis (anatomy)
Axis (C2, epistropheus): the second cervical vertebra, an atypical neck bone whose dens (odontoid process) is the pivot for head rotation and the main weight-bearing bone of the upper cervical spine.
Axis & Allies
Axis & Allies is a World War II board wargame by Lawrence Harris, first published by Nova Games in 1981 and later by Milton Bradley's Gamemaster series, with many editions including Europe, Revised 2004, and 1942.
Axis Bank
Axis Bank Limited, formerly UTI Bank until 2007, is an Indian private-sector commercial bank, the third largest private bank in India, serving about 54 million customers.
Axis Capital Holdings
Axis Capital Holdings is a Bermuda-based specialty insurer and reinsurer founded in 2001 after September 11, underwriting through AXIS Insurance and AXIS Re, with $9.6 billion of gross premiums in 2025.
Axis leaders of World War II
Axis leaders of World War II: Adolf Hitler (Germany), Benito Mussolini (Italy), and Emperor Hirohito with PM Hideki Tojo (Japan), heads of the Tripartite Pact alliance of 1940, plus leaders of Hungary, Romania, Bulgaria, Slovakia, and Croatia.
Axis mundi
Axis mundi (Latin, world axis) is a comparative-religion term for the sacred center linking earth, heaven, and underworld, figured as tree, mountain, pillar, or temple; theorized by Mircea Eliade and disputed by later scholars.
Axis Mundi (Imminence album)
Axis Mundi is the sixth studio album by Swedish metalcore band Imminence, released October 2, 2026 on Sumerian Records: 11 tracks, 46 minutes, produced by Eddie Berg, Harald Barrett, and Henrik Udd, with a companion short film.
Axis occupation of Greece
Axis occupation of Greece (1941–1944): tripartite German, Italian, and Bulgarian occupation after the April 1941 invasion, marked by famine, economic exploitation, the Holocaust in Greece, resistance, and the October 1944 German withdrawal.
Axis of evil
Axis of evil: phrase from George W. Bush's January 29, 2002 State of the Union address labeling Iran, Iraq, and North Korea; coined by speechwriter David Frum, evoking the WWII Axis and Reagan's evil empire.
Axis of evil (cosmology)
The axis of evil, also called the ecliptic alignment anisotropy of the CMB, is a claimed alignment of large-scale cosmic microwave background patterns, named in 2005.
Axis of Justice
Axis of Justice is a nonprofit co-founded in 2002 by Serj Tankian of System of a Down and Tom Morello of Rage Against the Machine, linking musicians, fans, and grassroots groups for social justice; its 501(c)(3) foundation (EIN 58-2670102) was formed in 2005.
Axis of Resistance (محور المقاومة)
Axis of Resistance (محور المقاومة), Iran-led informal network of allied armed groups and state actors including Hezbollah, the Houthis, Iraqi PMF militias, Hamas, and PIJ, degraded since October 2023.
Axis powers
The Axis powers were the World War II coalition of Germany, Italy, and Japan (Achsenmächte, 樹軍国), formalized by the 1940 Tripartite Pact after the 1936 Anti-Comintern Pact and Rome–Berlin Axis; joined by Hungary, Romania, Bulgaria, Slovakia, and Croatia, defeated in 1945.
Axis: Bold as Love
Axis: Bold as Love, second studio album by the Jimi Hendrix Experience, released December 1, 1967 (UK). Features "Little Wing" and "If 6 Was 9"; first official stereo phasing on record; UK number 5, US number 3.
Axitinib
Axitinib, brand name Inlyta, is a Pfizer tyrosine kinase inhibitor that blocks VEGFR and is used to treat advanced kidney cancer, alone or with immunotherapy.
Axitinib and pembrolizumab regimen
The axitinib and pembrolizumab regimen pairs an oral targeted drug with an intravenous immunotherapy drug, approved in the US in 2019 as first-line treatment for advanced kidney cancer.
Axius Valles
Axius Valles is an IAU-named valley system (vallis) on Mars in the southern highlands, about 349 km across, centered near 55.7S, 70.1E, named after the ancient Vardar River of Greece.
Axiverse
The axiverse is a hypothesized ensemble of many ultralight axion-like particles across a vast range of masses, proposed in 2009 as arising generically from string theory.
Axl Rose
Axl Rose (W. Axl Rose, born William Bruce Rose Jr., 1962, Lafayette, Indiana) is the American singer-songwriter, sole constant member and name-owner of Guns N' Roses, frontman of the 30-million-selling Appetite for Destruction and the 17-year, $13-million Chinese Democracy saga, and AC/DC's 2016 touring vocalist.
Axl Rotten
Axl Rotten (Brian Knighton, 1971–2016), American professional wrestler and ECW hardcore original (1993–1999) of The Bad Breed with Ian Rotten and The Hardcore Chair Swingin' Freaks with Balls Mahoney; died at 44 of a heroin overdose.
Axle
An axle is a central shaft on which a wheel or pair of wheels turns, and in vehicles it carries the vehicle's weight and transmits torque to the wheels.
Axle counter
An axle counter is a railway train detection system that determines whether a track section is occupied or clear by counting axles in and out at its boundaries.
AXMO
AXMO is a German DJ and producer duo from Hamburg, formed by André Appel and Morten Juhl in 2018 and signed to W&W's label Rave Culture.
AxMxP (에이엠피)
AxMxP (에이엠피, AMP) is a four-member South Korean boy band under FNC Entertainment, debuted September 10, 2025 with the full album AxMxP; members Ha Yoo Joon, Kim Shin, Cru, Juhwan; name means Amplify Music Power.
Axolotl
Axolotl (Ambystoma mexicanum, ajolote): neotenic Mexican salamander of Xochimilco that regenerates limbs, heart, spinal cord, and brain; genome ~32 billion base pairs; Critically Endangered since 2019 with 50–1,000 wild individuals.