| Acronym | Meaning |
| TARC | Tiered Area Response Capability |
| GTDA | Generalized Tamm-Dancoff Approximation |
| QAFM | Quantum Antiferromagnetic Heisenberg Model |
| ESA | Electrostatic Self-assemblypar |
| SCLR | Single Configuration Linear Response (theory) |
| CRAM | Caisse Regionale D'Assurance Maladie |
| EWIA | Eikonal (distorted) Wave Impulse Approxn. (for Scattering) |
| HTLV | Human T-lymphotropic Virus |
| NARSTO | North American Research Strategy For Tropospheric Ozone |
| DMU | WOCE Data Management Unit (USA) (now Part Of DIU) |