| Acronym | Meaning |
| NRD | Natural Resource Damage |
| MAWP | Maximum Allowable Working Pressure |
| NIEM | Noniterative Integral Equation Method |
| MRAIRS | Multiple Reflection-absorption Infrared Spectroscopy |
| GCM | General Circulation Model |
| INDO/RZ | Intermediate Neglect Of Differential Overlap/Ridley-Zerner |
| PIRG | Public Interest Research Group |
| DVB | Diagrammatic Valence Bond (in Study Of Electronic Properties) |
| FIMDA | Fluorescence Intensity Multiple Distributions Analysis |
| SOA | Semiconductor Optical Amplifier |