| Acronym | Meaning |
| MUS | Mauritius (ISO 3166 Trigram) |
| PE | Ice Pellets (old Style METAR Code) - Peru (ISO 3166 And FIPS 10-4 Country Code Digram) -Physical Education - Premature Ejaculation -Prince Edward Island (postal Code) Price To Earning Ratio (used For Equity Shares) |
| MH | Marshall Islands (postal Symbol; ISO 3166 Digram) - Megahenry - Montserrat (FIPS 10-4 Territory Code) |
| DSID | Dismounted Soldier Identification System |
| NPD | Nationaldemokratische Partei Deutschlands (German) |
| SEDRIS | Synthetic Environment Data Representation And Interchange Specification |
| SU | Sundanese Language (ISO 639-1 Code) |
| LOS | Line Of Sight |
| YB | Ytterbium |
| HTTP | HyperText Transfer Protocol |