| Acronym | Meaning |
| MODEM | Modulator-Demodulator |
| CX | Christmas Island (ISO 3166 Digram) - One Hundred And Ten (in Roman Numerals) |
| NFER | National Foundation For Educational Research |
| AD | Air Defence -Andorra (ISO 3166 Digram) -Anno Domini (Latin |
| SMCT | Soldier's Manual Of Common Tasks |
| LOTIS | Livermore Optical Transient Imaging System |
| OCR | Optical Character Recognition |
| UAR | Uniformly At Random (probability) - United Arab Republic - Uni›n Argentina De Rugby (Spanish For Argentine Rugby Union) |
| LHS | Left Hand Side |
| ENTEC | Euro NATO Training Engineer Centre |