ACI may refer to:

Businesses and organizations

In education

* Agincourt Collegiate Institute a secondary school located in Toronto, Canada * Albertson College of Idaho, now known as the

College of Idaho The College of Idaho (C of I) is a private liberal arts college in Caldwell, Idaho. Founded in 1891, it is the state's oldest private liberal arts college and has an enrollment of over 1,000 students. The college's alumni include eight Rhode ...

, a small liberal-arts college in Idaho *

American Collegiate Institute Founded in 1878, the American Collegiate Institute ( tr, Özel İzmir Amerikan Koleji), referred to by the acronym ACI, is a private co-educational high school in Goztepe, İzmir, Turkey. ACI was founded, and is now run, by the charity foundation ...

, Izmir Amerikan Lisesi, located at İzmir, Turkey

In transportation

* Aero Club of India, the apex body of all flying clubs and the governing body for air sports in India * Aircalin, an airline (ICAO code: ACI) * Air Cargo Inc., an organization that provides information to the freight forwarding industry * Airports Council International, international trade group of the world's commercial aviation industry, based in Montreal, Canada *

Alderney Airport Alderney Airport is the only airport on the island of Alderney, Guernsey. Built in 1935, Alderney Airport was the first airport in the Channel Islands. Located on the Blaye ( southwest of St Anne), it is the closest Channel Island airport to th ...

, by IATA airport code * Alternate Concepts, a transportation management company in the United States * Aviators Code Initiative, an organization advancing flight safety and professionalism

Other businesses and organizations

* ACI Worldwide, a payments software company * Adriatic Croatia International Club, a chain of marinas in Croatia * ACI (conglomerate), one of the largest Bangladeshi conglomerates * Albertsons Companies, Inc., an American supermarket chain * American Concrete Institute, a non-profit standards-developing organization * American Constitutional Initiative, a non-profit organization that promotes progressive change * Anti-Corruption Ireland, political group created by Gemma O'Doherty * Arch Coal inc., A major U.S. coal mining company *

Aurora Cable Internet Rogers Cable Inc. is Canada's largest cable television service provider with about 2.25 million television customers, and over 930,000 Internet subscribers, primarily in Southern Ontario, Southern & Eastern Ontario, New Brunswick and Newfoundland ...

, a digital cable television, cable internet and VOIP provider in Aurora, Ontario *

Automobile Club d'Italia The Automobile Club d'Italia (usually known by its acronym ACI) is a not-for-profit statutory corporation of the Italian Republic. The club originated through the efforts of Count Carlo Biscaretti di Ruffia as the "Automobile Club of Turin" found ...

, a member of the Fédération Internationale de l'Automobile * Aviazione Cobelligerante Italiana, the air force of the Royalist "Badoglio government" in southern Italy during the last years of World War II

Places

* Acireale, Sicilian city sometimes abbreviated Aci * Aci Castello (Sicilian: Jaci Casteddu), a city and comune in the Province of Catania in Sicily, Italy *

Jaci (river) The Jaci ( scn, Ciumi di Aci ( Eastern Sicilian Dialect ''Jaci''), it, Fiume di Aci, la, Acis, grc, Ἄκις, Ákis) was a river of Sicily, Italy on the eastern coast of the island, and immediately at the foot of Mount Etna. History It rose ...

, also called the Aci *

Acı, Pasinler Acı is a neighbourhood in the municipality and district of Pasinler, Erzurum Province Erzurum Province ( tr, Erzurum ili) is a province of Turkey in the Eastern Anatolia Region of the country. The capital of the province is the city of Erzuru ...

Science and technology

Adjacent-channel interference Adjacent-channel interference (ACI) is interference caused by extraneous power from a signal in an adjacent channel. ACI may be caused by inadequate filtering (such as incomplete filtering of unwanted modulation products in FM systems), improper t ...

, power from a signal in an adjacent channel *

Application container image Container Linux (formerly CoreOS Linux) is a discontinued open-source lightweight operating system based on the Linux kernel and designed for providing infrastructure to clustered deployments, while focusing on automation, ease of application ...

, a specification for the format and environment of virtualization containers, initiated by CoreOS * Cisco Application Centric Infrastructure, Cisco's implementation of software-defined networking *

Automatic Car Identification Automatic equipment identification (AEI) is an electronic recognition system in use with the North American railroad industry. Consisting of passive tags mounted on each side of rolling stock and active trackside readers, AEI uses RF technology ...

, a railroad barcode system that preceded the automatic equipment identification *

Autologous chondrocyte implantation Autologous chondrocyte implantation (ACI, ATC code ) is a biomedical treatment that repairs damages in articular cartilage. ACI provides pain relief while at the same time slowing down the progression or considerably delaying partial or total join ...

, a medical treatment for articular cartilage damage * An alternate name for the

nitronate A nitronate (IUPAC: azinate) in organic chemistry is a functional group with the general structure . It is the anion of nitronic acid (sometimes also called an aci, or an azinic acid), a tautomeric form of a nitro compound. Just as ketones and al ...

moiety

Other uses

* Assassin's Creed I, the first entry in the long-running

Assassin's Creed ''Assassin's Creed'' is an open-world, action-adventure, and stealth game franchise published by Ubisoft and developed mainly by its studio Ubisoft Montreal using the game engine Anvil and its more advanced derivatives. Created by Patrice D ...

series. *

Accusative and infinitive In grammar, accusative and infinitive is the name for a syntactic construction of Latin language, Latin and Greek language, Greek, also found in various forms in other languages such as English language, English and Spanish language, Spanish. In thi ...

a.k.a. ''accusativus cum infinitivo'', a construction in Latin grammar *''

Ace Combat Infinity was a combat flight simulation video game developed by Project Aces and published by Bandai Namco Games is a Japanese multinational video game publisher headquartered in Minato-ku, Tokyo. Its international branches, Bandai Namco Entertain ...

'' * ''Air Crash Investigation'', an alternate name for the television series ''

Mayday Mayday is an emergency procedure word used internationally as a distress signal in voice-procedure radio communications. It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organiza ...

'' * Aka-Cari language, an extinct Great Andamanese language * American Competitiveness Initiative, a federal program intended to help America maintain competitiveness * Acis (Italian: ''Aci'') of Acis and Galatea in Greek mythology {{Disambiguation, geo