| Acronym | Meaning |
| ECAP | Energy-compensated Atom Probe |
| RFA | Retarding Field Analyzer |
| HRELS | High-resolution Electron Energy-loss Spectroscopy |
| NDF | Neutral Detergent Fiber |
| ICAT | Isotope-coded Affinity Tag |
| SALCCSD | Spin-adapted Linear Coupled-cluster (with) Single And Double Excitations) |
| SLT | Standard Leaching Test |
| MCPSAG | Marcus-Coltrin-Path Semiclassical Adiabatic Ground-state (transmission Coeffs.) |
| SICP | Sealed Inductively Coupled Plasma |
| VIVAH | Vibrational Variational Hyperspherical (for Mol. Calcns.) |