| Acronym | Meaning |
| IRH | Infrared Hygrometer |
| MOE | Measure Of Effectiveness |
| FRD | Forecast Research Division |
| ADC | Analog-to-digital Converter |
| IAD | Dulles International Airport |
| IRJE | Internet Remote Job Entry |
| NPP | Net Primary Productivity |
| ISG | Immersion Sensing Group |
| NOAH | Comprised Of The National Centers For Environmental Protection |
| OCTS | Ocean Color And Temperature Scanner |