| Acronym | Meaning |
| EIIP | Emission Inventory Improvement Program |
| ISC | Short-circuit Current |
| MCGR | Monte-Carlo Renormalization Group |
| CCC | Copyright Clearance Center |
| ORFEUS | Orbiting Retrievable Far And Extreme Ultraviolet Spectrometers |
| SNIFTIRS | Subtractively Normalized Interfacial Fourier Transform IR Spectroscopy |
| COPNA | Condensed Polynuclear Aromatics |
| ATAS | Advance Technology Alert System |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| LOF | Lack Of Fit |