| Acronym | Meaning |
| TSSMS | Time Sharing Service Management System |
| INMS | Institute For National Measurement Standards |
| STOM | Scanning Tunneling Optical Microscopy |
| EFIG | Emission Factor Inventory Grouppar |
| PLC | Phospholipase C |
| CST | Central Standard Time |
| RAMC | Risk Assessment And Management Commission |
| ISX | Insoluble Starch Xanthate (ion Exchanger For Wastewater Treatment) |
| GIP | Glucose-dependent Insulinotropic Polypeptide |
| GCLDA | Gradient-corrected Local Density Approximation |