| Acronym | Meaning |
| MARCKS | Myristoylated Alanine-rich C Kinase Substrate |
| MSL | Mean Sea Level |
| LAIS | Liquid Alloy Ion Source |
| ROC | Receiver Operating Characteristics |
| ECAMSI | Electron Configuration Analysis For Many-system Interactions |
| ZAP | Zone Axis Pattern |
| CDA | Charge Density Analysis |
| SCATE | Sulfur Chemistry In The Antarctic Troposphere Experiment |
| QENS | Quasielastic Neutron Scattering |
| FTP | US Federal Test Procedure (for Exhaust Catalysts) |