| Acronym | Meaning |
| IAEG | International Association Of Engineering Geology |
| CNDO/2-FA | Complete Neglect Of Differential Overlap First Approxn. |
| PRESS | Prediction Error Sum Of Squares |
| BMAW | Bare Metal Arc Welding |
| GCE | Glassy Carbon Electrode |
| IAWQ | International Association On Water Quality |
| INDO/2-AHP | INDO/2-average Hole Potential |
| CONTOUR | Comet Nucleus Tour |
| CSRS | Coherent Stokes-Raman Spectroscopy |
| JCAMP | Joint Committee On Atomic And Molecular Physical Data |