| Acronym | Meaning |
| GHL | Generalized Heitler-London |
| BCC | Body Centered Cubic |
| HPA | Hybridization Protection Assay |
| DGGE | Denaturing-gradient Gel Electrophoresis |
| ICM | Inner Cell Mass |
| CNDO/BW | Complete Neglect Of Differential Overlap With Boyd And Whitehead Parametrization |
| PD | Photoelectron Diffraction |
| CTOF | Charge Time-of-Flight Spectrometer |
| IUMS | International Union Of Microbiological Societies |
| AHU | Air Handling Unit |