| Acronym | Meaning |
| HAO | Hybrid Atomic Orbital |
| AO | Atomic Orbital |
| SMG | Submandibular Gland |
| ASAS | Advanced Solid State Array Spectrometer |
| AWRA | American Water Resources Association |
| BHC | Benzene Hexachloride |
| COA | Coenzyme A |
| ISG | International Stratigraphic Guide |
| NSAID | Non-steroidal Anti-inflammatory Drug |
| CLEVER | Clinical Laboratory For Evaluation And Validation Of Epidemiologic Research |