 |
| Subject | English | Thesaurus |
| USA | Optical Aerial Measurement Program | OAMP |
| mil., abbr. | Optical Airborne Measurements Program | OAMP |
| opt. | optical back coupling | оптическая обратная связь (igisheva) |
| abbr., scottish | Optical Backplane Interconnect System programme | OBIS (US Navy) |
| telecom., abbr. | Optical Services Module | OSM |
| abbr. | Tandy High-intensity Optical Recording | THOR |