| Acronym | Definition |
|---|
| ADX | Ad Exchange (various companies) |
| ADX | Abu Dhabi Securities Exchange (United Arab Emirates) |
| ADX | Application Development Activex |
| ADX | Adams Express Company (est. 1929) |
| ADX | Adrenalectomized |
| ADX | Average Directional Movement Index |
| ADX | Administrative Maximum Facility |
| ADX | Automatic Data Exchange |
| ADX | Adrenodoxin |
| ADX | Administrative-Maximum US Penitentiary (prisons) |
| ADX | Acier Doux (French band) |
| ADX | Accumulation/Distribution Index |
| ADX | Air Defense Exercise |
| ADX | Addressbook.xml (Web-based tool) |
| ADX | Address Book Extensible Markup Language (electronic filing) |
| ADX | Address Cross Reference |
| ADX | Audiological diagonostic (testing) |
| ADX | Advanced Development Experiment(al) |