| Acronym | Meaning |
| 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 |
| ZM | Zambia (ISO 3166 Digram) |
| CSS | Cascading Style Sheets - Catalina Sky Survey - Central Security Service - Combat Service Support - Confederate States Ship - Content-scrambling System - Cross-site Scripting |
| BASIC | Beginner's All-purpose Symbolic Instruction Code (acronym Was Added Later |
| PX | Post EXchange |
| MSH | Medium Support Helicopter - Mount Saint Helens |
| MMK | Burmese Kyat (ISO 4217 Currency Code) |
| CC | Many |
| GM | Gigametre |
| EIAH | Encyclopedia Of Iranian Architectural History |