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Advanced gas-cooled reactor
The advanced gas-cooled reactor (AGR) is a British second-generation nuclear reactor developed from the Magnox design in the 1960s, using graphite moderation and carbon dioxide coolant.
Advanced glycation end-product
Advanced glycation end-products (AGEs) are stable, largely irreversible compounds formed when reducing sugars react non-enzymatically with proteins, lipids, or nucleic acids, accumulating in diabetes, aging, and kidney failure.
Advanced Gun System
The Advanced Gun System is a 155 mm automated naval gun developed by BAE Systems for the U.S. Navy's Zumwalt-class destroyers and their land-attack mission.
Advanced Himawari Imager
The Advanced Himawari Imager (AHI) is a 16-band visible and infrared imager on Japan's Himawari-8 and Himawari-9 weather satellites, imaging the full Earth disk every 10 minutes.
Advanced Idea Mechanics
Advanced Idea Mechanics (A.I.M.) is a Marvel Comics fictional scientist terrorist organization created by Stan Lee and Jack Kirby, debuting in Strange Tales #146 (July 1966), originating as Hydra's science division and creating the Cosmic Cube and M.O.D.O.K.
Advanced Info Service
Advanced Info Service, commonly AIS, is Thailand's largest mobile network operator, also offering fixed broadband, enterprise, cloud, and digital financial services, with about 46 million subscribers.
Advanced Intelligent Network
The Advanced Intelligent Network (AIN) is a Bellcore telecommunications architecture that moved service control out of telephone switches, enabling services such as 800-number translation and local number portability.
Advanced Landing Grounds of the Normandy campaign and Northwest Europe
Advanced Landing Grounds were temporary Allied combat airfields built across northwest Europe in 1944 and 1945 to move tactical air power forward with the ground armies.
Advanced life support
Advanced life support (ALS) is the set of interventions added to basic life support to treat cardiac arrest: defibrillation, advanced airway management, vascular access, and drugs.
Advanced Light Source
The Advanced Light Source is a Department of Energy user facility at Lawrence Berkeley National Laboratory that produces intense soft X-ray light from a 1.9 GeV electron storage ring for research on materials.
Advanced Lighting Technologies (ADLT)
Advanced Lighting Technologies (ADLT) is a privately held manufacturer in Glenwillow, Ohio, of metal halide chemicals, HID lamps, and LED systems, formed in 1995 and still operating after a 2003 bankruptcy reorganization.
Advanced Linux Sound Architecture
Advanced Linux Sound Architecture, known as ALSA, provides audio and MIDI functionality to Linux through kernel drivers, a kernel API, and the alsa-lib user-space library.
Advanced Machine Intelligence Labs
Advanced Machine Intelligence Labs, or AMI Labs, is a frontier AI startup founded in 2025 by Yann LeCun to build AI based on world models rather than large language models.
Advanced Manufacturing Co of America, Inc.
Advanced Manufacturing Co of America, Inc. (Amca) is an aerospace and defense component manufacturer founded in 2024 in El Segundo, California, which became a unicorn after a $300 million Series B in 2026.
Advanced Manufacturing Partnership
The Advanced Manufacturing Partnership was a United States public-private initiative launched by President Barack Obama in 2011 to invest in emerging technologies and strengthen domestic manufacturing.
Advanced Manufacturing Production Credit
The Advanced Manufacturing Production Credit is a US federal tax credit under Section 45X paying manufacturers per unit for clean energy components made in America.
Advanced maternal age
Advanced maternal age (AMA): pregnancy with delivery at age 35 or older, also called geriatric pregnancy. Risks (aneuploidy, miscarriage, preeclampsia, stillbirth) rise continuously, most sharply after 40; ACOG retains the 35 threshold.
Advanced Media, Inc.
Advanced Media, Inc. (株式会社アドバンスト・メディア) is a Japanese speech-recognition technology company founded in Tokyo in 1997 by Kiyoyuki Suzuki, known for its AmiVoice engine and Tokyo Stock Exchange listing.
Advanced Message Queuing Protocol
The Advanced Message Queuing Protocol (AMQP) is an open binary wire-level protocol for reliable business messaging, standardized as an OASIS Standard in 2012 and as ISO/IEC 19464 in 2014.
Advanced metering infrastructure
Advanced metering infrastructure (AMI) is the integrated system of smart meters, two-way communication networks, and data management systems that electric utilities use to measure consumption automatically and act remotely.
Advanced Microcontroller Bus Architecture
Advanced Microcontroller Bus Architecture (AMBA Specification) is an open-standard on-chip interconnect specification published by Arm in 1996, defining how processors, memory controllers, and peripherals connect within a system-on-chip.
Advanced Mobile Location
Advanced Mobile Location (AML) is a smartphone protocol that automatically sends the caller's handset-derived location to emergency services during an emergency call, created by John Medland at BT in 2014.
Advanced Mobile Phone System
Advanced Mobile Phone System (AMPS), also called Advanced Mobile Phone Service, was the first-generation analog cellular system developed at Bell Labs and first launched commercially in Chicago in 1983.
Advanced National Seismic System
The Advanced National Seismic System (ANSS) is a United States earthquake monitoring program led by the U.S. Geological Survey, coordinating regional networks since Congress endorsed it in 2000.
Advanced Navigation
Advanced Navigation is an Australian navigation technology manufacturer headquartered in Sydney, making inertial navigation systems and autonomous underwater robots for defense, mining, marine, and space customers.
Advanced oxidation process
An advanced oxidation process is a water treatment method that generates hydroxyl radicals to destroy organic pollutants that resist conventional treatment, used in drinking water and industrial wastewater.
Advanced packaging
Advanced packaging is the set of semiconductor packaging technologies that interconnect multiple chips in one package, using flip chip, interposers, and 2D and 3D stacking.
Advanced Passenger Train
The Advanced Passenger Train (APT) was a British Rail tilting train program of the 1970s and early 1980s that set a British speed record of 161 mph.
Advanced persistent threat
An advanced persistent threat (APT) is a state-sponsored or state-like adversary with sophisticated expertise that stealthily maintains long-term presence inside organizations' networks, usually to steal information continually.
Advanced Photon Source
The Advanced Photon Source is a synchrotron X-ray light source at Argonne National Laboratory near Chicago, first operated in 1995 and upgraded to record brightness by 2026.