Abbreviations beginning with a

ACIDAtomic Consistent Isolated And Durable
Computing » Software

ACIDAtomic, Consistent, Independent, and Durable
Computing » Databases

ACIDAtomic, Consistent, Isolated, and Durable
Computing » Software

ACIDAtomicity Consistency Isolation Durability
Computing

ACIDAutomatic Consistency Integration Of Database
Computing » Databases

ACIDAutomation, Consolidation, Internationalization, and Diversification
Computing » General

ACIDActive Change Initiating Document
Governmental

ACIDAdaptive COMSEC Interface Device
Governmental » Military

ACIDAggressive Criminal Interdiction Detail
Governmental

ACIDAircraft Identification (aviation)
Governmental

ACIDAllocated Configuration Identification
Governmental

ACIDAll-Service Combat Identification Demonstration
Governmental

ACIDAnalysis Console For Incident Databases
Governmental » Transportation

ACIDAnalysis Console For Intrusion Databases
Governmental » Military

ACIDAccelerated Change In Design
Miscellaneous

ACIDAcceleration Cruise Idle Deceleration
Miscellaneous » Automotive

ACIDAccessor Identification
Miscellaneous

ACIDAdvanced Combat Infantry Division (gaming)
Miscellaneous

ACIDAdvanced Corporate Information Directory (Cidera multi-platform web enabled file sharing tool)
Miscellaneous

ACIDANSI Coders In Demand
Miscellaneous