| Acronym | Meaning |
| ICPAC | International Committee On Polycyclic Aromatic Compounds |
| DSIP | Delta-sleep Inducing Peptide |
| WHSV | Wt. Hourly Space Velocity |
| ATCC | American Type Culture Collection |
| PSCI | Pseudo Configuration Interaction |
| ACPAR | Angular Correlation Of Positron Annihilation Radiation |
| IRMDR | Infrared Microwave Double Resonance |
| CISDQ | Configuration Interaction With Single |
| HEI | Highly Exposed Individual |
| ICF | Inertial Confinement Fusion |