| Acronym | Meaning |
| DFAA | Dissolved Free Amino Acids |
| CNES | Centre National D'Etudes Spatiales (French Space Center) |
| GNO | Geminal Natural Orbital |
| MCV | Mesoscale Convective Vortex |
| DIB | Dibutyl Chlorendate |
| HRC | Rockwell Hardness (C Scale) |
| BHN | Brinell Hardness Number |
| GRE | Glucocorticoid-responsive Element |
| GFF | Glass Fiber Filter |
| RAM | Renormalized Atom Model (for Electronic-structure Calcns.) |