| Acronym | Meaning |
| IRR | Internal Rate Of Return |
| QUASIMEME | Quality Assurance Of Information For Marine Environmental Monitoring In Europe |
| CIH | Certified Industrial Hygienist |
| EDTGA | Electrodynamic Thermogravimetric Analysis |
| NPA | Natural Population Analysis |
| IAEG | International Association Of Engineering Geology |
| WINDII | Wind Imaging Interferometer |
| ICSS | Intracranial Self-stimulation |
| ACSH | American Council On Science And Health |
| STOCSY | Statistical Total Correlation Spectroscopy |