| Acronym | Meaning |
 | PIB | PolyIsoButylene |
| 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 |
| FQ | Baker Island (FIPS 10-4 Territory Code) - French Southern And Antarctic Territories (ISO 3166 Digram; Obsolete 1979) |
| CIA | Cairo International Airport - Central Intelligence Agency - Culinary Institute Of America |
| ACCD | American Coalition Of Citizens With Disabilities |
| IND | India (ISO 3166 Trigram) |
| KSM | Korean Service Medal |
| EIC | East India Company |
| AG | Attogram |
| GI | Galvanised Iron - Gastro-Intestinal - General Issue -Gibraltar (ISO 3166 Digram; FIPS 10-4 Territory Code) -Government Issue |
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