| Acronym | Meaning |
| ELISA | Enzyme Linked Immunosorbent Assay |
| QPMDA | Quasiparticle Mean Density Approxn. (assocd. With Local-d. Theory) |
| LCHAO | Linear Combination Of Hybrid Atomic Orbitals |
| HLG | Hedin-Lundqvist-Gunnarsson (spin D. Functional) |
| WIPP | Waste Isolation Pilot Plant (for Nuclear Wastes) |
| OSWER BBS | OSWER Electronic Bulletin Board System (see CLU-IN) |
| SDCPA | Site-dependent Coherent Potential Approxn. |
| SODAR | Sound Detection And Ranging (meteorological Instrument) |
| TVA | Tennessee Valley Authority |
| IRBP | Interstitial Retinol-binding Protein |