| Acronym | Meaning |
| OSERS | U.S. Department Of Education Office Of Special Education And Rehabilitative Services |
| BNICE | Biological |
| ZM | Zambia (ISO 3166 Digram) |
| RUSI | Royal United Services Institute For Defence Studies |
| NAN | Not A Number (computing) |
| US | United States (alsoISO 3166 And FIPS 10-4 Country Code Digram) |
| CMPD | Chronic Myeloproliferative Disease |
| ABLE | AirBorne Law Enforcement (police Air Support Unit) |
| ROWPU | Reverse Osmosis Water Purification Unit (roe-pew) |
| FWI | French West Indies |