| Acronym | Meaning |
| ARIES | Advanced Reactor Innovation And Evaluation Studies |
| EPA | Electron Population Analysis |
| EMTB | Effective-medium Tight-binding |
| NL-SCF | Nonlocal (density Functional)-self-consistent Field |
| BSRT | Biological Solids Retention Time |
| FAAO | Free-atom Atomic Orbital |
| PMAMS | Patterned Multi-array |
| ROA | Raman Optical Activity |
| CMBR | Cosmic Microwave Background Radiation |
| ECAE | Equal Channel Angular Extrusion |