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Autostereogram
Autostereogram, or single-image random-dot stereogram (SIRDS, Magic Eye): a single flat image hiding a 3-D scene, invented by Christopher Tyler and Maureen Clarke in 1979 from Julesz's 1959 random-dot stereograms, viewed by diverging the eyes.
Autostichidae
Autostichidae (Le Marchand, 1947; synonyms Symmocidae, Holcopogonidae) is a family of Gelechioidea moths with 10–20 mm wingspans, saprophagous larvae, about 750–800 species in six subfamilies, and active ongoing taxonomic revision.
AutoStore
AutoStore is a Norwegian cube-based automated storage system in which robots travel over a grid of stacked bins, sold by a company founded in 1996.
Autostrad
Autostrad (أوتوستراد) is a Jordanian six-piece band formed in Amman in 2007, known for setting Jordanian slang lyrics to reggae and funk fusion with prominent synth lines.
Autostrada A1 (Italy)
The Autostrada A1, officially A1 Milano-Napoli and known as the Autostrada del Sole, is Italy's longest motorway, running 761 km from Milan to Naples via Bologna, Florence, and Rome.
Autostrade per l'Italia
Autostrade per l'Italia is an Italian company holding the concession to build and operate Italy's largest toll motorway network, about 3,000 km across 15 regions.
Autosub
Autosub is a family of autonomous underwater vehicles, robot submarines, developed by the UK's National Oceanography Centre since 1996 for deep-ocean, polar, and under-ice science missions.
Autosuggestion
Autosuggestion, or self-suggestion, is the induction of beliefs, sensations, or behaviors by one's own ideas; systematized by Émile Coué's method, rooted in the Nancy school, and linked to self-hypnosis, expectancy, and placebo research.
Autotech Ventures
Autotech Ventures is a Menlo Park, California venture capital firm founded in 2015 by Alexei Andreev and Quin Garcia, investing in ground transportation, mobility, and logistics startups.
Autothermal reforming
Autothermal reforming (ATR) is a process for converting hydrocarbon fuels, most often natural gas, into synthesis gas by partial oxidation and steam reforming in a single reactor.
Autothrottle
An autothrottle, called autothrust on Airbus aircraft, is an aircraft system that automatically controls engine thrust to hold a target speed or thrust without continuous pilot action.
Autotomy
Autotomy: self-amputation of a body part, such as a lizard's tail, crab's claw, or starfish arm, along pre-formed fracture planes to escape predators, with regeneration in lizards, salamanders, and echinoderms.
Autotransformer
An autotransformer, also called an autoformer, is a transformer with a single winding per phase, part shared by primary and secondary, offering copper savings but no electrical isolation.
Autotransfusion
Autotransfusion is a clinical procedure that collects blood a patient loses during surgery or trauma and reinfuses it, most commonly with a device called a cell saver.
Autotransplantation
Autotransplantation is a surgical procedure that transfers tissue or an organ, such as a tooth, kidney, or parathyroid tissue, from one site to another within the same person's body.
Autotroph
Autotroph: an organism making all its organic compounds from CO2, via photosynthesis (photoautotrophs: plants, algae, cyanobacteria) or inorganic chemical reactions (chemoautotrophs); primary producers using six-plus carbon fixation pathways, dominated by the Calvin cycle.
Autovía A-7
The Autovía A-7, or Autovía del Mediterráneo, is a 1,330 km toll-free dual carriageway along Spain's Mediterranean coast, running from Barcelona to Algeciras as the free alternative to the AP-7.
Autoware
Autoware is an open-source software project for autonomous driving, started at Nagoya University in 2015 and maintained by the Autoware Foundation for research and commercial deployment.
AutoWorld (theme park)
AutoWorld (Six Flags AutoWorld) was an indoor automotive theme park and museum in Flint, Michigan, opened July 4, 1984 at a cost of $70 million, closed after six months, and demolished in 1997.
AutoX
AutoX was a Chinese autonomous-driving startup founded in 2016 by former Princeton professor Jianxiong Xiao, which built fully driverless robotaxis and wound down around 2024–2025.
Autoxidation
Autoxidation is the oxidation of a substance by molecular oxygen at moderate temperatures, proceeding as a free-radical chain reaction that causes rancidity in foods, degrades polymers, and cures drying oils in paint.
Autozam AZ-1
The Autozam AZ-1, also sold as the Suzuki Cara, is a mid-engine kei sports coupe with gullwing doors that Mazda sold in Japan from October 1992.
AutoZone
AutoZone, formerly Auto Shack, is an American auto parts retailer headquartered in Memphis, Tennessee, founded in 1979 and operating over 7,600 stores in the United States, Mexico, and Brazil.
Autran Dourado
Autran Dourado, born Waldomiro Freitas Autran Dourado (1926–2012), was a Brazilian novelist from Minas Gerais known for Ópera dos Mortos and winner of the 2000 Prêmio Camões.
Autry Stephens
Autry Stephens (1938–2024) was an American oilman who drilled his first well in 1979 and built Endeavor Energy Resources of Midland, Texas, sold for about $26 billion in 2024.
Autumn
Autumn, also called fall, is the season of transition from summer to winter, associated in the Northern Hemisphere with harvest, shortening days, and the color change of leaves.
Autumn and the Black Jaguar
Autumn and the Black Jaguar (Le Dernier Jaguar) is a 2024 family adventure film by Gilles de Maistre about a girl returning to the Amazon to save her jaguar friend Hope from traffickers, shot with real jaguars, grossing $22 million worldwide.
Autumn and Winter Landscapes
Autumn and Winter Landscapes (秋冬山水図) is a pair of ink hanging scrolls of autumn and winter scenes by the Japanese Zen painter Sesshū Tōyō, designated National Treasures and held by the Tokyo National Museum.
Autumn Colors on the Qiao and Hua Mountains
Autumn Colors on the Qiao and Hua Mountains (鹊华秋色) is a 1295 handscroll by Yuan artist Zhao Mengfu depicting two mountains near Jinan, Shandong, now in the National Palace Museum, Taipei.
Autumn Harvest Uprising
The Autumn Harvest Uprising (秋收起义) was a series of armed peasant insurrections planned by the Chinese Communist Party in 1927; after Mao Zedong's assault on Changsha failed, his force withdrew to the Jinggang Mountains.