| Acronym | Meaning |
| EIG | Electrostatic Ion Guide |
| SGFM | Surface Green Function Matching (method In Calcn. Of Electronic And Phonon Properties Of Crystal Surfaces And Interfaces) |
| INDO/RZ | Intermediate Neglect Of Differential Overlap/Ridley-Zerner |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| HANS | Heavy Aromatic Naphtha Solvent |
| CGH | Comparative Genomic Hybridization |
| AOI | Automatic Optical Inspection |
| MS X(ALPHA) | Multiple-scattering X(alpha) Exchange Method |
| UNEP | United Nations Environmental Program |
| HVEM | Herpesvirus Entry Mediator |