| Acronym | Meaning |
 | DPST | Double-Pole Single-Throw |
| YJ | Yoctojoule |
| 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 |
| NIPR | National Institute Of Polar Research (Japan) |
| RSPB | (UK) Royal Society For The Protection Of Birds |
| LJ | La Jolla - Larry Johnson - LaserJet - Library Journal - Linux Journal - LiveJournal - Ljubljana - Lord Justice Of Appeal -Sierra National Airlines (IATA Code) |
| DNM | Defence Nuclear Material |
| SSKP | Single-Shot Kill Probability |
| KT | Kilotesla |
| XPF | CFP Franc (ISO 4217 Currency Code) |
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