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Axolotl (artificial intelligence)
Axolotl is a free, open-source Python tool for fine-tuning large language models, driven by a single YAML configuration file and released under the Apache 2.0 license.
Axon
Axon: the single output fiber of a neuron, carrying action potentials from the axon hillock to synaptic terminals; often myelinated with nodes of Ranvier; described by Cajal, who identified the growth cone (1890) and dynamic polarization (1891).
Axon Enterprise
Axon Enterprise, known until 2017 as TASER International, is an American company in Scottsdale, Arizona, making TASER weapons, police body cameras, and digital evidence software.
Axon guidance
Axon guidance: how growing axons navigate to targets via growth cone receptors reading attractive and repulsive cues (netrins, Slits, semaphorins, ephrins), Rho GTPase signaling, and roles in disease and regeneration.
Axon terminal
Axon terminal (presynaptic terminal, terminal bouton): swelling on an axon that releases neurotransmitter via calcium-triggered vesicle fusion at active zones; forms terminal or en passant synapses.
Axonal Transport
Axonal transport (fast and slow axoplasmic transport) is the kinesin- and dynein-driven movement of organelles, vesicles, and proteins along axonal microtubules, anterograde and retrograde; fast runs 1–9 µm/s, slow 0.004–0.6 µm/s, and its impairment underlies neurodegenerative disease.
Axoneme
Axoneme: the microtubule core of eukaryotic cilia and flagella, typically 9+2 (nine doublet microtubules plus a central pair) in motile cilia and 9+0 in nonmotile primary cilia, with dynein motors driving beating.
Axonics Modulation Technologies
Axonics Modulation Technologies, renamed Axonics, Inc. in 2021, is an Irvine, California medical technology company founded in 2012 that made the first rechargeable sacral neuromodulation system, treating overactive bladder and fecal incontinence.
Axonius
Axonius is a New York-based cybersecurity company founded in 2017 that aggregates data from a company's existing security and IT tools into one inventory of devices, users, and software.
Axonometric projection
Axonometric projection is an orthographic method of showing a 3D object at an angle so one view reveals several sides, with subtypes isometric, dimetric, and trimetric.
Axonopus
Axonopus (carpet grasses) is a genus of about 80-90 Poaceae grasses, tribe Paspaleae, mostly Neotropical, defined by inverse spikelet position; A. compressus and A. fissifolius are tropical lawn and pasture grasses.
Axonopus compressus
Axonopus compressus (broadleaf carpetgrass, blanket grass), a stoloniferous Poaceae grass native to tropical and subtropical America, used as lawn turf, forage, and erosion-control cover crop across the humid tropics.
Axotomy
Axotomy is the deliberate severing of an axon, by blade or focused laser, to study nerve injury, degeneration, and regeneration in living animals and cell culture.
Axpo
Axpo, or Axpo Holding AG, is a Swiss energy company headquartered in Baden and Switzerland's largest renewable energy producer and power supplier, founded in 2001.
AXS TV
AXS TV is an American music, entertainment, and combat-sports cable and FAST network founded by Mark Cuban in 2001 as HDNet, rebranded AXS TV in 2012 with AEG, and majority-owned by Anthem Sports & Entertainment since 2019, airing concerts and TNA Impact!
Axtone
Axtone is a Swedish-founded house and EDM record label started by DJ Axwell in 2005, which released music by Sebastian Ingrosso, Steve Angello, and CamelPhat before its 2025 sale to Pophouse Entertainment.
Axtria
Axtria is a data-analytics and cloud software company serving the life sciences industry, founded by Jassi Chadha in 2010 and headquartered in Berkeley Heights, New Jersey.
Axum
Axum (Aksum), ancient capital in Ethiopia's Tigray region, center of the Kingdom of Aksum (1st-8th centuries AD), famed for 3rd-4th century stelae, Ezana's Christian conversion, and a UNESCO World Heritage site since 1980.
Axwell
Axwell (Axel Christofer Hedfors, born 1977, Lund) is a Swedish DJ and producer, five-time Grammy nominee, founder of Axtone Records, and member of Swedish House Mafia and Axwell /\ Ingrosso.
AY (musician)
AY, also written A.Y. and known as Ay Masta, is the stage name of Ambwene Allen Yessayah, a Tanzanian bongo flava rapper-singer born in 1982 in Mtwara.
Ay (pharaoh)
Ay, also known as Itnetjer-ay and by the throne name Kheperkheperure, was a pharaoh of Egypt's Eighteenth Dynasty who ruled for about four years, ca. 1327–1323 BC, immediately after Tutankhamun.
Ay Yola (Ай Ёла)
Ay Yola (Ай Ёла) is a Bashkir ethno-pop trio from Ufa, Bashkortostan, founded in 2024: Rinat Ramazanov, Adel Shaykhitdinova, and Ruslan Shaykhitdinov. Their 2025 single Homay, based on the Ural-Batyr epic, topped 130 million streams and entered the global Shazam top ten.
Aya (Cohere For AI)
Aya is a multilingual instruction-tuning program by Cohere For AI, Cohere's non-commercial research arm, that built an open instruction dataset covering 65 languages with volunteers from 119 countries.
Aya Cash
Aya Rachel Cash (born 1982) is an American actress from San Francisco, known for playing Gretchen Cutler in You're the Worst and Stormfront in The Boys.
Aya Hirano (平野 綾)
Aya Hirano (平野 綾), born 1987 in Aichi Prefecture, is a Japanese voice actress, actress, and singer known for Haruhi Suzumiya and Konata Izumi, solo debut 2006, 2026 four-anniversary COTTON CLUB live.
Aya Nakamura
Aya Nakamura (Aya Danioko, born 1995, Bamako) is a French-Malian pop singer, the most-streamed French-language artist worldwide, known for "Djadja," her 2024 Olympics opening ceremony performance, and three sold-out 2026 Stade de France concerts.
Aya Sakura (さくらあや)
Aya Sakura (さくら あや), born 1996, is a Japanese pro wrestler in Stardom's Cosmic Angels, a former Itosu-ryu karate competitor who joined wrestling via a mistaken audition; New Blood Tag Champion and Sendai Girls Junior Champion.
Aya Uchida
Aya Uchida (内田彩, Uchida Aya) is a Japanese voice actress and singer, known for voicing Kotori Minami in Love Live! and for solo albums on Nippon Columbia.
Aya Vision
Aya Vision is a family of open-weight vision-language models released by Cohere For AI in March 2025, in 8B and 32B sizes, covering 23 languages.
Aya-rammu
Aya-rammu, also rendered Aya-ramu or 'Ilāya-rām, was king of Edom around 701 BC, listed in Sennacherib's annals among the Levantine rulers who submitted to Assyria.