| Acronym | Meaning |
| NPH | Normal Pressure Hydrocephalus |
| KKK | Ku Klux Klan |
| DECSIM | Model DEComposition And SIMulation Algorithm - Directed Energy Combat SIMulation |
| OME | Osaka Mercantile Exchange |
| WCBP | World Centre For Birds Of Prey |
| PFE | Permanent Forest Estate |
| FASEB | Federation Of American Societies For Experimental Biology |
| HP | Horse Power |
| RRN | Recurrence Rate Number |
| G5 | Generation Five PowerPC Microprocessor -Assistant Chief-of-Staff |