| Acronym | Meaning |
| ARB | Air Resources Board (California) |
| LCGTO-FF | LCGTO-fitting Function |
| RTD | Residence Time Distribution |
| HMIP | Her Majesty's Inspectorate Of Pollution |
| FFITP | Free-flow Isotachophoresis |
| IGS | Intergenic Spacer |
| MACT | Maximum Achievable Control Technology |
| NHEJ | Nonhomologous End Joining |
| EFH | Extended Fenske-Hall (LCAO MO Method) |
| HETP | Height Equivalent To A Theoretical Plate |