| Acronym | Meaning |
| NLLSQ | Nonlinear Least Squares |
| VPT | Variational Perturbation Theory |
| ARISS | Angle Resolved Ion Scattering Spectroscopy |
| ALMV | Alfalfa Mosaic Virus |
| ARC | Antireflection Coating |
| NGDC | National Geophysical Data Center |
| COMA | Cyclic Olefin Maleic Anhydride |
| LIPS | Laser-induced Plasma Spectroscopy |
| IMA | International Mineralogical Association |
| IECT | Impulsive Ergodic Collision Theory |