| Acronym | Meaning |
| VRPA | Variational Random Phase Approxn. |
| HDTMAB | Hexadexyltrimethylammonium Bromide |
| PBT | Poly(butylene Terephthalate) |
| ISSC | International Subcommission On Stratigraphic Classification |
| IMT | Ion Microtomography |
| ONWI | Office Of Nuclear Waste Isolation |
| BLISS | Balloon-borne Laser In Situ Sensor |
| CMF | Continuous Microfiltration |
| PDB | Peedee Belemnite |
| CRAF | Comet Rendezvous Asteroid Flyby |