ADX, AdX, Adx, etc. may refer to:

Business and technology

* Abu Dhabi Securities Exchange * Adams Express Company, stock symbol *

ADX (file format) CRI ADX is a lossy proprietary audio storage and compression format developed by CRI Middleware specifically for use in video games; it is derived from ADPCM. Its most notable feature is a looping function that has proved useful for background ...

, a streamed audio format * Authenticated Data Experiment, an early release of Bluesky's decentralized social network protocol * Average directional movement index, a technical indicator of trend strength in prices of a financial instrument such as a stock or bond * DoubleClick Ad Exchange (AdX), an ad exchange platform merged into Google Ad Manager *

Intel ADX Intel ADX (Multi-Precision Add-Carry Instruction Extensions) is Intel's arbitrary-precision arithmetic extension to the x86 instruction set architecture (ISA). Intel ADX was first supported in the Broadwell microarchitecture.Adrenal ferredoxin, a small iron-sulfur protein in animals including humans * Adrenalectomy, the surgical removal of one or both adrenal glands or the state of having had one or both removed

Music

* ADX, alternative spelling of British punk band The Adicts

Other

* Administrative maximum or "supermax" prisons in the United States ** United States Penitentiary, Florence ADX, the federal supermax prison in Florence, Colorado *

Alpha Delta Chi Alpha Delta Chi () is an American national Christian sorority founded at UCLA in 1925. Its brother fraternity is Alpha Gamma Omega. History Alpha Delta Chi was founded in 1925 at the University of California, Los Angeles by ten women. Their vis ...

, an American nation-wide Christian sorority *

Amdo Tibetan language Amdo Tibetan (; also called ''Am kä'') is the Tibetic language spoken in Amdo (now mostly in Qinghai, some in Ngawa and Gannan). It has two dialects, the farmer dialect and the nomad dialect. Amdo is one of the three branches of traditional cl ...

, from its SIL language code * Leuchars Station, United Kingdom, formerly RAF Leuchars, a British army installation in eastern Scotland (from its IATA airport code) {{disambig