| Acronym | Meaning |
| CCCLC | Complex-coordinate Coupled-Landau-channel (method In Calcns. On Autoionizing Resonances) |
| PMT | Photomultiplier Tube |
| DIOS | Desorption-ionization On Silicon |
| UMEA | Ultramicroelectrode Array |
| CPR | Cardiopulmonary Resuscitation |
| CQED | Consortium For Quality Environmental Data |
| AA | Activation Analysis |
| IF | Interstitial Free |
| CHORUS | CERN Hybrid Oscillation Research Apparatus |
| RQDO | Relativistic Quantum Defect Orbital (method In Calcns. Of Oscillator Strengths) |