| Abbreviation | Definition |
|---|---|
| ABSI | Aleutian and Bering Sea Islands |
| ABSI | American Business Solutions Inc |
| ABSI | Apalachicola Bay System Initiative |
| ABSI | Automated Bone Scan Index |
| ABSL | Assistant Beaver Scout Leader |
| ABSL | Association of Business Service Leaders |
| ABSM | Advanced Blind Spot Monitoring |
| ABSM | Agent Based Simulation Model |
| ABSO | Alternative Breaks Service Organization |
| ABSO | Anti Britney Spears Organization |
| ABSORB | absorbed |
| ABSORB | Absorbing |
| ABSORBANCE | Optical density |
| ABSORBENT | Absorbency |
| ABSORD | Alabama Brain Study On Risk for Dementia |
| ABSOSS | Akhil Bharatiya Sangeet O Sanskriti Samsad |
| ABSP | Advanced Brain Signal Processing |
| ABSP | Archdiocese of Baltimore Soccer Program |
| ABSP | Association for Baha'i Studies in Persian |
| ABSS | Agent-Based Social Simulation |