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Advance healthcare directive
Advance healthcare directive: written instruction or proxy appointment (living will, durable power of attorney, ADRT) governing medical care during incapacity; covers CPR, ventilation, nutrition; US completion about 36.7% of adults.
Advance UK
Advance UK: short-lived British right-wing party founded by ex-Reform UK deputy leader Ben Habib on 30 June 2025; Electoral Commission-registered 4 December 2025, deregistered 10 July 2026 after a disputed merger with Great British PAC.
Advance Wars
Advance Wars is a 2001 Game Boy Advance turn-based strategy game by Intelligent Systems and Nintendo, the Western debut of the Famicom Wars series, scoring 92 on Metacritic, spawning sequels and the 2023 Switch remake Re-Boot Camp.
Advance Wars 2: Black Hole Rising
Advance Wars 2: Black Hole Rising is Intelligent Systems' 2003 Game Boy Advance turn-based tactics sequel to Advance Wars, published by Nintendo. It adds Super CO Powers, eight new COs, the Neotank unit, missile silos, and pipelines.
Advance-fee scam
Advance-fee scam, also called advance-fee fraud or the 419 or Nigerian prince scam, is fraud demanding upfront payment for a promised loan, prize, or investment that never materializes; named for section 419 of Nigeria's Criminal Code.
ADVANCE.AI (领创智信)
ADVANCE.AI, also known as 领创智信, is a Singapore-based enterprise software company founded in 2016, selling identity verification, KYC, fraud prevention, and credit scoring across Southeast Asia.
Advanced ACTPol
Advanced ACTPol, also known as AdvACT, was the second-generation polarization receiver on the Atacama Cosmology Telescope in Chile, which replaced ACTPol and observed the cosmic microwave background from 2016 to 2022.
Advanced Adiabatic Compressed Air Energy Storage
Advanced adiabatic compressed air energy storage (AA-CAES) is a grid energy storage concept that stores compression heat in a thermal store so discharge needs no fossil fuel.
Advanced and refractory heart failure
Advanced heart failure, also called stage D or refractory heart failure, is the terminal stage of heart failure, with severe symptoms at rest despite guideline-directed therapy.
Advanced Animal Diagnostics
Advanced Animal Diagnostics is the company founded in 2001 by Rudy Rodriguez, an American biomedical engineer elected to the National Academy of Engineering in 2016.
Advanced Audio Coding
Advanced Audio Coding, standardized as MPEG-2 Part 7 in 1997, is a lossy MPEG audio codec co-developed by AT&T, Dolby, Sony, Nokia, and Fraunhofer, delivering CD-like stereo quality at 128 kb/s.
Advanced Baseline Imager
The Advanced Baseline Imager (ABI) is the primary Earth-observing instrument on NOAA's GOES-R geostationary weather satellites, a 16-channel multispectral radiometer flown on GOES-16, GOES-17, GOES-18, and GOES-19.
Advanced boiling water reactor
Advanced boiling water reactor (ABWR) is a Generation III design by GE Nuclear Energy, rated at 3,926 MWt. Its first units operated in Japan in 1996 and 1997.
Advanced CANDU Reactor
The Advanced CANDU Reactor (ACR), developed by Atomic Energy of Canada Limited, is a Generation III+ reactor whose ACR-1000 reference version is a 1200 MWe pressure tube design.
Advanced Civil Speed Enforcement System
The Advanced Civil Speed Enforcement System (ACSES) is a transponder-based Positive Train Control system used on Amtrak's Northeast Corridor, ordered by the FRA in 1998, enforcing civil speed restrictions as an overlay on cab signal systems.
Advanced Clean Cars II
Advanced Clean Cars II (ACC II) is a 2022 California regulation requiring a rising share of new zero-emission vehicle sales, reaching 100 percent by 2035.
Advanced Clean Energy Storage
Advanced Clean Energy Storage (ACES) is a green hydrogen facility under development in Delta, Utah, converting surplus renewable electricity into hydrogen stored in underground salt caverns.
Advanced Combat Helmet
The Advanced Combat Helmet is the U.S. Army's Kevlar composite combat helmet, in use since 2002, replacing the PASGT with less weight while protecting against fragments and 9-mm bullets.
Advanced Combat Optical Gunsight
The Advanced Combat Optical Gunsight (ACOG), also known as the Rifle Combat Optic, is a fixed-magnification riflescope made by Trijicon and standard issue for US military rifles.
Advanced Combat Rifle
The Advanced Combat Rifle (ACR) was a 1980s US Army program testing prototype rifles, including flechette and caseless designs, to double soldier hit probability over the M16A2.
Advanced Composition Explorer
The Advanced Composition Explorer, also known as the ACE spacecraft, is a NASA probe launched in 1997 that measures solar wind and cosmic rays from the Sun-Earth L1 point.
Advanced Disposal Services
Advanced Disposal Services was a solid waste collection, recycling, and landfill company headquartered in Ponte Vedra, Florida, acquired by Waste Management in 2020 for $4.6 billion.
Advanced Drainage Systems
Advanced Drainage Systems, Inc. (NYSE: WMS) is an American manufacturer of thermoplastic corrugated pipe for stormwater and onsite wastewater, founded in 1966 and headquartered in Hilliard, Ohio.
Advanced driver-assistance systems
Advanced driver-assistance systems (ADAS) are vehicle technologies that monitor the road and driver inputs, warning of crashes or intervening with automatic braking and steering to prevent or lessen collisions.
Advanced Dungeons & Dragons (Community)
"Advanced Dungeons & Dragons" is Community season 2 episode 14 (NBC, February 3, 2011), in which the study group plays D&D with suicidal classmate Fat Neil while Pierce crashes the game; removed from Netflix and Hulu in June 2020 over Chang's dark-elf costume.
Advanced Dvorak Technique
The Advanced Dvorak Technique (ADT) is a computer-based method for estimating tropical cyclone intensity from geostationary satellite imagery, developed at the University of Wisconsin and used worldwide.
Advanced Encryption Standard
The Advanced Encryption Standard (AES), based on the Rijndael algorithm, is a NIST-standardized block cipher that secures network traffic, file storage, and government data worldwide.
Advanced Energy Industries
Advanced Energy Industries is a company making precision power-conversion electronics, including plasma power supplies, RF generators, and high-voltage systems for semiconductor fabrication, data-center, industrial, and medical equipment.
Advanced eXtensible Interface
The Advanced eXtensible Interface (AXI) is an Arm on-chip interconnect protocol family from the AMBA specification, first published in 2003, connecting processors, memory controllers, and peripherals inside a system-on-chip.
Advanced Format
Advanced Format is a hard drive media format named by IDEMA that replaces the legacy 512-byte physical sector with a 4,096-byte (4 KB) sector, adopted by manufacturers from January 2011.