| Acronym | Meaning |
| GWRTAC | Groundwater Remediation Technologies Analysis Center |
| SEELFS | Surface Extended-energy-loss Fine-structure |
| ISCI | Initial-state Configuration Interaction |
| IFCC | International Federation Of Clin. Chem. |
| ESC | Endometrial Stromal Cell |
| CMS | Corrective Measures Study |
| VISTTA | Visibility Impairment From Sulfur Transformation And Transport In The Atmosphere |
| PRFT | Partially Relaxed Fourier Transform |
| MOAG | MINDO Optimized Adjusted Geometries |
| VAZC | Vibrationally Adiabatic Zero Curvature (quantum Calcn. Approxn.) |