| Acronym | Meaning |
| OPO | Optical Parametric Oscillator |
| CTD | Conductivity |
| NPSO | Nonpaired Spatial Orbital |
| NISO | National Information Standards Organization |
| HGSI | The Human Genome Sequencing Index |
| MIPAS | Michelson Interferometer For Passive Atmospheric Sounding |
| IAQMP | Indoor Air Quality Management Program |
| ALIPS | Automated Laser-Induced Phosphorimeter System |
| ERCC | Excision Repair Cross-complementing |
| OU | Odor Units |