| Acronym | Meaning |
 | SDH | Synchronous Digital Hierarchy |
| ZL | Zeptolitre |
| KGO | Knight Of The Guelplic Order Of Hanover |
| SOLIS | Synoptic Optical Long-term Investigations Of The Sun |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| DDD | Data Display Debugger - Digital Digital Digital (CD Mastering) |
| MOOTW | Military Operations Other Than War (moot-double-you) |
| B[A]P | Benzo[a]pyrene |
| CTC | Closed Timelike Curve (relativity) - (U.S.) Combat Training Center |
| ND | Non-Disclosure -North Dakota (postal Symbol) |
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