| Acronym | Meaning |
| PURPA | Public Utility Regulatory Policy Act |
| TRAPDOR | Transfer Of Populations In Double Resonance |
| ZORA | Zeroth-order Regular Approximation |
| POF | Polymer Optical Fiber |
| XRR | X-ray Reflectometry |
| RTH | Resistance To Thyroid Hormone |
| CEPS | Chemically Enhanced Primary Sedimentation |
| AECB | Atomic Energy Control Board |
| ORF | Open Reading Frame (DNA Sequence) |
| EDF | Energy Density Functional (theory In Electronic-property Calcn.) |