| Acronym | Meaning |
| RAS | Royal Astronomical Society |
| FSS | Facilities Support Services |
| ABTRES | Abatement & Residual Forecasting Model |
| AT | Abnormal Transient |
| GPC | Global Processing Center |
| DVM | Digital Voltmeter |
| AWWA | American Waterworks Association |
| GEOSECS | Geochemical Ocean Sections |
| DSS | Data Support Section |
| ODE | Ordinary Differential Equation |