| Acronym | Meaning |
| DEPT | Distortionless Enhancement By Polarization Transfer |
| ASP | Activated Sludge Plant Or Process |
| NNSA | National Nuclear Security Administration |
| CNWRA | Center For Nuclear Waste Regulatory Analyses |
| DSS | Deep Seismic Sounding |
| SCLS | Spectral Collocation (by) Least Squares |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |
| JISC | Japanese Industrial Standards Committee |
| PENIS | Proton-enhanced Nuclear Induction Spectroscopy |
| COD | Continuous Optical Discharge |