| Acronym | Meaning |
| GTC | Gigatons Of Carbon |
| GN | Ground Network |
| APDF | Accelerator Performance Demonstration Facility |
| M3 | M Cubed |
| PSID | Pounds Per Square Inch Differential |
| SOHO | Solar And Heliosphysical Observatory |
| ASP | Astronomical Society Of The Pacific |
| DECAFE | Dynamique Et Chimie De L'Atmosphere En Foret Equitoriale |
| PCWG | Polar Climate Working Group |
| IMC | International Meteorological Center |