| Acronym | Meaning |
| HPCCP | High Performance Computing And Communications Program |
| NCHS | National Center For Health Statistics |
| SPIS | Surface Penning Ionization Spectroscopy |
| HWRAP | Hazardous Waste Remedial Actions Program |
| DIPPR | Design Institute For Physical Property Data |
| ARM | Anhysteretic Remanent Magnetization |
| GACT | Generally Available Control Technology |
| SIBFA | Sum (of) Interactions Between Fragments (computed) Ab Initio |
| POU | Point Of Use |
| UVCS | UV Coronagraph Spectrometer |