| Acronym | Meaning |
| ART | Absolute Rate Theory |
| TCSM | Tropospheric Chemistry Systems Model |
| LOPT | Lowest-order Perturbation Theory |
| DWDM | Dense Wavelength Division Multiplexing |
| PKD | Protein Kinase D |
| RQ | Respiratory Quotient |
| AVA | Anthrax Vaccine Adsorbed |
| AQM | Acenaphthenequinone Monoxime |
| ARIMA | Auto Regressive Integrated Moving Average Model |
| NRDAM | Natural Resource Damage Assessment Model |