| Acronym | Meaning |
| ISCST | Industrial Source Complex Short Term Model (US EPA) |
| EMA | Electron Microprobe Analysis |
| REPELS | Reemitted Positron Energy Loss Spectroscopy |
| ICM | Intracluster Medium |
| CASS | Computer Assisted Stratification And Sampling |
| RTD | Resonant Tunneling Diode |
| MICROSS | Micro-computer Based River Oil Spill Simulation |
| CVP | Colloidal Vibration Potential |
| RHF SP | Restricted Hartree Fock Spin Polarization |
| EDXRS | Energy-dispersive X-ray Spectrometry |