| Acronym | Meaning |
| LCTAO | Linear Combination Of Traveling Atomic Orbitals |
| ICHAZ | Intercritical Heat-affected Zone |
| ECT | Ergodic Collision Theory |
| ANK | Al2O3/(Na2O + K2O) |
| NRA | National Rivers Authority (UK) |
| ZIP | Zinc Impurity Photodetector |
| LARVA | Light-absorption Ratio Variation Approach |
| HREE | Heavy Rare Earth Element(s) |
| OASCR | Office Of Advanced Scientific Computing Research |
| HAMA | Human Anti-mouse Antibody |