This is the Valar Atomics defined abbreviaiton list.
| Word | Part of Speech | Approved meaning / linked definiton (abbreviation) |
|---|---|---|
| AOO | abbreviation | Anticipated Operational Occurrence |
| AP | abbreviation | Adjacent Plant |
| AP1000 | abbreviation | Westinghouse AP1000 Reactor |
| API | abbreviation | Application Program Interface |
| ASME | abbreviation | American Society of Mechanical Engineers |
| ASTM | abbreviation | American Society for Testing and Materials |
| atm | abbreviation | atmospheric |
| ATP | abbreviation | Acceptance Test Procedure |
| ATR | abbreviation | Advanced Test Reactor |
| AVR | abbreviation | Arbeitsgemeinschaft Versuchsreaktor |
Total entries: 440