| Acronym | Meaning |
| CAC | Critical Aggregation Concentration |
| PCR | Photo-Conductive Resonance |
| BEA | Binary Encounter Approximation |
| PIC | Products Of Incomplete Combustion |
| SIA | Self-interstitial Atom |
| CINC | Cytokine-induced Neutrophil Chemoattractant |
| PNA | Paraffins, Naphthenes, And Aromatics (in Petroleum Analysis) |
| NDPD | National Data Processing Division |
| PGSE | Pulsed Gradient Spin Echo |
| SAM | Self-assembled Monolayer |