| Acronym | Meaning |
| HSPF | Hydrological Simulation Program-Fortran |
| IASH | International Association On The Stability And Handling Of Liquid Fuels |
| ADIS | Advanced Drilling Information System [petroleum] |
| ED | Effective Dose |
| TDCC | Time-dependent Close-coupling |
| SRXRF | Synchrotron Radiation X-ray Fluorescence |
| PAM | Periodic Anderson Model |
| NHF | Nonrelativistic Numerical Hartree-Fock |
| ABA | Acid-base Account [related To Acid-forming Potential] |
| GCLSDA | Gradient-corrected Local Spin Density Approximation |