| Acronym | Meaning |
| NS | Nanosiemens |
| LS | Landing Support -Lesotho (ISO 3166 Digram) - Liechtenstein (FIPS 10-4 Country Code) -locus Sigilli (Latin |
| PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs |
| GOSC | General Officer Steering Committee |
| AADD | Atlanta Alliance On Developmental Disabilities |
| VCJD | Variant Creutzfeldt-Jakob Disease |
| LSE | Least Squares Estimate/Error - London School Of Economics - London Stock Exchange |
| KATUSA | Korean Augmentation To United States Army |
| CERT | Computer Emergency Response Team |
| IDO | Ido Language (ISO 639-2 Code) |