| Acronym | Meaning |
| PCL | Passive Coherent Location |
| SCAP | Supreme Commander Allied Powers (Allied Occupation Of Japan) |
| D | Deuterium |
| RFEF | Real Federaci›n Espa?ola De Fœtbol (Spanish For Royal Spanish Football Federation) |
| IS | Iceland (ISO 3166 Digram) - Israel (FIPS 10-4 Country Code) |
| XIII | Thirteen (in Roman Numerals) |
| PBX | Private Branch EXchange (company Phone System) |
| LPS | Landsat Processing System -LipoPolySaccharide |
| MWESH | Machismo Wizards Extended SHelter (operating System) |
| NDO | Ndonga Language (ISO 639-2 Code) |