| Acronym | Meaning |
| AFGL | Air Force Geophysics Laboratory |
| SRM | Standard Reference Material |
| ISPCR | In Situ Polymerase Chain Reaction |
| LDGUGA | Loop-driven Graphical Unitary-group Approach (in MC-SCF Calcns.) |
| MMEF | Maximum Mid-expiratory Flow (lung Function) |
| CAIR | Comprehensive Assessment Information Rule (USEPA) |
| VBHL | Valence Bond Heitler-London (wave Function) |
| MOSAP | Marine Oil Spill Action Plan |
| IAEG | International Association Of Engineering Geology |
| PGR | Plant Growth Regulator |