| Acronym | Meaning |
 | PBX | Private Branch EXchange (company Phone System) |
| SHRA | Rain Showers (METAR Code) |
| NBL | Southern Ndebele Language (ISO 639-2 Code) |
| ESC | Embryonic Stem Cell |
| OMB | U.S. Office Of Management And Budget - Ontario Municipal Board -Order Of Mapungubwe In Bronze |
| XAF | BEAC (Banque Des ?tats De L'Afrique Centrale) Central Africa CFA (Coop?ration Financi?re En Afrique Centrale) Franc (ISO 4217 Currency Code) |
| ORD | O'hare International Airport In Chicago |
| RI | Rhode Island (postal Symbol) |
| IPR | In Progress Review - Intellectual Property Rights - Intelligence Production Requirement |
| LRICBM | Limited Range ICBM |
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