| Acronym | Meaning |
| ARO | Analytical Radial Orbital |
| MDH | Malate Dehydrogenase |
| DNAA | Delayed Neutron Activation Analysis |
| BID | Buoyancy Induced Dispersion |
| HNFETB | Hybridization Of Nearly Free Elctrons With Tightly Bound States (for Band-structure Calcns.) |
| CAMCORE | Central American And Mexico Coniferous Resources Cooperative |
| BCRNM | Bending Corrected Rotating Nonlinear Model |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| IBS | Incomplete Basis Set |
| ESC | Environmental Stress Cracking |