| Acronym | Meaning |
| CNO | Constrained Nonorthogonal Orbital (algorithm) |
| ECP | Eosinophil Cationic Protein |
| DAS | Dynamic Angle Spinning |
| CHEMRAWN | Chemical Research Applied To World Needs |
| CVI | Chemical Vapor Infiltration (impregnation) |
| ETS | External Transcribed Spacer |
| CEFIC | Associazione Europea Dell'industria Chimica |
| CLRTAP | Convention On Long-Range Transboundary Air Pollution |
| LIF | Laser Induced Fluorescence |
| VQMC | Variational Quantum Monte Carlo |