| Acronym | Meaning |
| LIGO | Laser Interferometer Gravitational Wave Observatory |
| KH | Cambodia (ISO 3166 Digram) |
| NR | Southern Ndebele Language (ISO 639-1 Code) |
| YM | Yottametre |
| NPDI | New Product Development And Introduction |
| NP | Nepal (ISO 3166 And FIPS 10-4 Country Code Digram) |
| MGB | Medium Girder Bridge |
| FDDI | Fibre Distributed Data Interface |
| AAFES | Army And Air Force Exchange Service |
| CI | Curie |