| Acronym | Meaning |
| PDR | Photodissociation Region |
| SCRAM | EPA Support Center For Regulatory Air Models |
| OHD | Optical Heterodyne Detection |
| EUVID | Extreme UV Imaging Detector |
| TKN | Total Kjeldahl Nitrogen |
| SAW | Self-avoiding Walk [modeling] |
| VSM | Vibrating Sample Magnetometer |
| DRF | Direct Reaction Field (for Intermol. Interactions) |
| APET | Amorphous Poly(ethylene Terephthalate) |
| CPPA | Canadian Pulp And Paper Association |