| Acronym | Meaning |
| HMCE | Her Majesty's Customs And Excise |
| HRED | (U.S. Army Research Laboratory's) Human Research And Engineering Directorate (Aberdeen Proving Ground |
| NJ | New Jersey (postal Symbol) |
| ZM | Zeptometre |
| MEO | Medium Earth Orbit - Most Efficient Organization |
| RTGS | Royal Thai General System Of Transcription - Real Time Gross Settlement |
| RORO OR RO | Ro -Roll-On/Roll-Off (ferry) |
| YK | Yottakelvin |
| CU | Cuba (FIPS 10-4 Country Code; ISO 3166 Digram) |
| GED | General Education Development |