| Acronym | Meaning |
| IMC | Intermetallic Matrix Composite |
| ECI | Size-extensive CI |
| CCGF | Coupled Cluster Green Function |
| NASBA | Nucleic Acid Sequence-based Amplification |
| CIOS | Complex Infinite Order Sudden (approxn. In Quantum Calcns.) |
| STCA | Simplified Traveling-cluster Approxn. (for Electronic Structure) |
| VOA | Volatile Organic Aromatic Compounds |
| CGA | Colloidal Gas Aphron |
| SAFT-VR | Statistical Assocg. Fluid Theory For Chain Mols. With Interaction Potentials Of Variable Range |
| TRRS | Time-resolved Raman Spectroscopy |