| Acronym | Meaning |
 | EIC | East India Company |
| AAS | Advanced Automation System - American Astronomical Society (double-A-S) |
| 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 |
| JREF | James Randi Educational Foundation |
| IRQ | Iraq (ISO 3166 Trigram) |
| B[A]P | Benzo[a]pyrene |
| FRY | West Frisian Language (ISO 639-2 Code) |
| HJD | Heliocentric Julian Day |
| AS | Adult Swim -Assamese Language (ISO 639-1 Code) - Attosecond |
| SDR | Strategic Defence Review |
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