| Acronym | Meaning |
| ZH | Zeptohenry |
| ACOBA | Advisory Committee On Business Appointments |
| TOA | Table Of Authorities - Total Obligation Authority (accounting) |
| HEU | Highly Enriched Uranium |
| ABSTRIPS | Abstraction-Based STRIPS |
| FIFO | First In |
| AVP | Association Of Volleyball Professionals |
| IE | Interlingue Language (ISO 639-1 Code) |
| OPS | Operations |
| EO | Esperanto Language (ISO 639-1 Code) |