| Acronym | Meaning |
| PHIGS | Portable Hierarchical Image And Graphic Standard |
| PDM | Pulse Duration Modulation |
| AE | Atmospheric Explorer |
| MOSES | Meteorological Observing Station |
| NDVI | Greeness Index From Satellites |
| CCAWG | Climate Change And Assessment Working Group |
| NPRM | Notice For Proposed Rule Making |
| PUP | Principle User Position Workstation |
| CALCRUST | Consortium For Study Of The California Crust |
| DDS | Doctor Of Dental Science |