| Acronym | Meaning |
| LISA | Laser Interferometer Space Antenna |
| OHC | OverHead-Cam Engine |
| SW | Swahili Language (ISO 639-1 Code) |
| GOMER | Get Out Of My Emergency Room (derogatory Reference To Hypochondriac Patients) |
| IL | Illinois (postal Symbol) - Israel (ISO 3166 Digram) |
| IFFN | Identification |
| EDTA | Electric Drive Transportation Association -EthyleneDiamineTetraAcetic Acid |
| NAMRL | Naval Aerospace Medical Research Laboratory |
| RN | Royal Navy |
| PPQN | Pulses Per Quarter Note (ditto) |