| Acronym | Meaning |
| AY | Aymara Language (ISO 639-1 Code) |
| IK | Inupiaq Language (ISO 639-1 Code) |
| B?C | Blue ?yster Cult |
| ISCCP | International Satellite Cloud Climatology Project |
| LIM | Limburgish Language (ISO 639-2 Code) |
| AIRS | Aerometric Information Retrieval System (obsolete; Replaced With AFS) |
| NDCC | New Directions Counseling Center (Concord |
| GCN | Gamma-ray Burst Coordination Network |
| EBO | Effects Based Operations - Encyclop?dia Britannica Online - European Board Of Ophthalmology |
| AAV | Amphibious Assault Vehicle |