| Acronym | Meaning |
| LAP | Laboratory Accreditation Program |
| TNN-TB | Third Neighbor Nonorthogonal (basis) Tight Binding |
| SU-MRCC | State Universal-multireference Coupled Cluster |
| GERD | Gastroesophageal Reflux Disease |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |
| RMPM | Renormalized Multicenter Potential Model (for Scattering) |
| NAD | Nicotinamide Adenine Dinucleotide |
| EMAIL | Electronic Mail |
| HPLC | High-performance Liquid Chromatography |
| CZCS | Coastal Zone Color Scanner |