| Acronym | Meaning |
| MIA | Multiplicative Integral Approxn. (in 2-electron Integral Calcn.) |
| RAMAN | Regional Atmospheric Measurement And Analytical Network |
| PERI | Pharmaceutical Education And Research Institute |
| BWCCSD | Brillouin-Wigner Coupled-cluster (with) Single (and) Double (excitations) |
| BAL | Broad Absorption Line |
| TQM | Total Quality Management |
| MEP | Matrix Effective Potential (for Scattering Calcns.) |
| DATBP | Diallyl Tetrabromophthalate |
| PLC | Planar Lightwave Circuit |
| EPIC | European Prospective Investigation Into Cancer And Nutrition |