| Acronym | Meaning |
| IFOT | Invariant Fock Operator Technique |
| VHDL | Very High Speed Integrated Circuits (VHSIC) Hardware Description Language |
| AEFCA | All-electron Frozen-core Approximation |
| AET | Acoustic Emission Technique |
| EUROTRAC | European Experiment Of Transport And Transformation Of Environmentally Relevant Trace Constituents In The Troposphere Over Eur |
| APMI | American Powder Metallurgy Institute |
| TSS | Total Suspended Solids |
| PNRA | Photon-tagged Nuclear Reaction Analysis |
| ODFS | Optimized Dirac-Fock-Slater |
| SHRIMP | Scalar Heteromolecular Recoupled Interactions By Multiple Phase |