| Acronym | Meaning |
| LOESS | Locally Weighted Smoothers [in Modeling] |
| LSS | Lindhard-Scharff-Schiott Theory |
| RFDR | Radiofrequency-driven Dipolar Recoupling |
| PPES | Photopyroelectric Spectroscopy |
| MAD | Multiwavelength Anomalous Diffraction |
| BELLE | Biological Effects Of Low Level Exposures |
| LDA | Laser-Doppler Anemometer |
| SUMP | Spin-constrained Unrestricted Moeller-Plesset |
| MEUG | Minimum Energy Uncertainty Gaussian (wave Packets) |
| SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |