| AC | Advanced Chemistry, nemecká rapová skupina |
|---|---|
| AC | anorganic chemistry (skr.), anorganická chémia (angl.skr.) |
| ACC | American Chemistry Council |
| EPA | European Photochemistry Association |
| IUC | International Union of Chemistry |
| JED | Journal of Esthetic Dentistry |
| LIR | Local Internet Registry (skr.) |
| MOS | Ministry of Sound (skr.) |
| YM | Youth Ministry (skr.) |