| Acronym | Meaning |
| CCDPPA | Coupled-cluster With Double Excitation Polarization Propagator |
| CTIOSA | Charge-transfer Infinite Order Sudden Approxn. |
| SA-LCAO | Symmetry-adapted Linear Combination Of Atomic Orbitals |
| MTCT | Mother-to-child Transmission |
| NHL | Non-Hodgkin Lymphoma |
| ITER | International Toxicity Estimates For Risk |
| ESRF | European Synchrotron Radiation Facility |
| SFMS | Sector Field Mass Spectrometry |
| ADI | Alternating Direction Implicit (method) |
| NAL | No Action Level |