| Acronym | Meaning |
 | LHD | Litterarum Humaniorum Doctor (Latin |
| YTM | Yield To Maturity |
| ERA | Earned Run Average - Engineering Research Associates - Equal Rights Amendment - English Racing Automobiles - European Railway Agency |
| SK | Saskatchewan (postal Symbol) - Slovakia (ISO 3166 Digram) |
| FO | Faroe Islands (ISO 3166 Digram; FIPS 10-4 Territory Code) -Force Operations (military) - Forward Observer - Frame Optional (military Symbology) |
| AAD | Analogue-Analogue-Digital (CD Quality) - Australian Antarctic Division |
| OCO | Oort Cloud Object |
| XRML | EXtensible Rights Markup Language |
| RT | Radio Telefs ireann |
| JIB | Joint Information Bureau |
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