| Acronym | Meaning |
| GRB | Gamma Ray Burst |
| CMAQ | Community Multiscale Air Quality |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| OWLS | Optical Waveguide Lightmode Spectroscopy |
| IPMS | Infinite Periodic Minimum Surfaces |
| GPD | Gaussian Phase Distribution |
| ALCHEMI | Atomic Location By Channeling Enhanced Microanalysis |
| CHRM | Characteristic Remanent Magnetization |
| NHRL | Northern Hemisphere Reference Line |
| GIRM | Generalized Internal Reference Method |