| Acronym | Meaning |
| HAO | Hybrid Atomic Orbital |
| GTSSP | Global Temperature And Salinity Pilot Program |
| PSM | Process Safety Management |
| GNO | Geminal Natural Orbital |
| EHW | Extremely Hazardous Waste |
| EAC | Ehrlich Ascites Carcinoma |
| UPF | UV Protection Factor |
| MSEP | Mean Square Error Of Prediction |
| PLC | Programmable Logic Controller |
| BMAW | Bare Metal Arc Welding |