| Acronym | Definition |
|---|
| ACID | Anti Copying in Design (est. 1996; trade organization) |
| ACID | Atomicity, Consistency, Isolation, and Durability (database transaction properties) |
| ACID | Analysis Console for Intrusion Databases |
| ACID | Atomic Consistent Isolated and Durable |
| ACID | Access or Id User |
| ACID | Aircraft Identification (aviation) |
| ACID | ANSI Creators In Demand |
| ACID | Arielle Chester Industrial Design (cigar brand) |
| ACID | Allocated Configuration Identification |
| ACID | Accessor Identification |
| ACID | Acidification Chemistry Information Database |
| ACID | AT&T Communications ISDN |
| ACID | Automatic Classification and Interpretation of Data |
| ACID | Adaptive COMSEC Interface Device |
| ACID | Advanced Combat Infantry Division (gaming) |
| ACID | Application Context Identifier |
| ACID | ANSI Coders In Demand |
| ACID | Advanced Corporate Information Directory (Cidera multi-platform web enabled file sharing tool) |
| ACID | All-Service Combat Identification Demonstration |
| ACID | Atomicità, Consistenza, Isolamento, Durata |
| ACID | Active Change Initiating Document |
| ACID | Alcatel Craft Interface Device |
| ACID | Aggressive Criminal Interdiction Detail |
| ACID | Advanced Caller Identification |
| ACID | Advanced Computing Information Database |
| ACID | Accelerated Change In Design |
| ACID | ARQ (Automatic Repeat Request) Channel Identification (wireless communication) |