| Acronym | Meaning |
| DTC | Developmental Test Command [US Army] |
| PNO | Pseudonatural Orbital |
| DMA | Dimethylarsinic Acid |
| IRGA | Infrared Gas Analyzer |
| TLHJ | Triple-layer Heterojunction |
| FTHF | Finite-temperature Hartree-Fock |
| LCGTO-FF | LCGTO-fitting Function |
| AFS | AIRS Facility Subsystem (subsystem Of AIRS) |
| RAPRA | Rubber And Plastics Research Association |
| LASCO | Large Angle Spectroscopic Coronograph |