| Acronym | Meaning |
| EMMA | Electron Microscopy And Microanalysis |
| INR | International Normalized Ratio |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| SWPPP | Stormwater Pollution Prevention Plan |
| RISA | Radioimmunosorbent Assay |
| SIMPLISMA | Simple-to-use Interactive Self-modeling Mixture Analysis |
| NES | National Energy Strategy |
| NDOL(ND0-L) | Neglect Of Differential Overlap-azimutal Quantum Number (of Valence Ao's) |
| HEB | High Efficiency Boiler |
| TMDL | Total Maximum Daily Load |