| Acronym | Meaning |
 | PDQ | Pre-Defined Queries (Siebel Packages) - Pretty Damn Quick |
| ZH | Zettahenry |
| SEP | Somebody Else's Problem - Spherical Error Probable - System Enhancement Package - System Engineering Plan |
| OSD | U.S. Office Of The Secretary Of Defense |
| MLB | Major League Baseball |
| NIDRR | National Institute On Disability Research And Rehabilitation |
| ECSC | European Coal And Steel Community (distant Ancestor Of The EU) |
| SETI | Search For ExtraTerrestrial Intelligence |
| SHRA | Rain Showers (METAR Code) |
| YEM | Yemen (ISO 3166 Trigram) - Manitowaning/Manitoulin East Municipal Airport IATA Airport Code |
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