| Acronym | Meaning |
| FLAC | Free Lossless Audio Codec. |
| MID | Midway Islands (ISO 3166 Trigram; Obsolete 1986) |
| RKO | Radio-Keith-Orpheum Pictures |
| EROS | Earth Resources Observation System |
| RNA | RiboNucleic Acid |
| NIAMD | National Institute Of Arthritis And Musculoskeletal Diseases |
| BMCC | Borough Of Manhattan Community College |
| GSR | Gun Shot Revenue |
| SE | Northern Sami Language (ISO 639-1 Code) |
| OHC | OverHead-Cam Engine |