| Acronym | Meaning |
| IPPA | Independent Pair-potential Approximation |
| MIRACL | Mid Infrared Advanced Chemical Laser |
| GCLDA | Gradient-corrected Local Density Approximation |
| SDI | Selective Dissemination Of Information |
| GCAM | Global Change Assessment Modeling |
| CATSAT | Cooperative Astrophysics And Technology Satellite |
| FD | Forced Draft |
| CTOD | Crack Tip Opening Displacement |
| FAGS | Federation Of Astronomical And Geophysical Services |
| CIESIN | Consortium Of International Earth Sciences Information Network |