| Acronym | Meaning |
| UESAC | Uppsala-ESO Survey Of Asteroids And Comets |
| CPPCC | Chinese People's Political Consultative Conference |
| SI | Sinhalese Language (ISO 639-1 Code) |
| MPFC | Medial PreFrontal Cortex |
| BGS | Bristol Grammar School - British Geographical Survey |
| ENVL | Envelope |
| OC | Observer/Controller |
| POL | Polish Language (ISO 639-2 Code) |
| PIM | Parameterized Ionospheric Model - Path Of Intended Motion - Pediatric Index Of Mortality - Personal Information Manager/Management - Presence And Interworking Mobility - Processor-In-Memory - Program Integration Manager - Protocol Independent Multicast |
| RPR | FOM - Realtime Platform Reference Federation Object Model (reaper Fomm) |