| Acronym | Meaning |
| IAPPS | International Association For The Plant Protection Sciences |
| HPET | High Performance Engineering Thermoplastic |
| HTL | Hole Transport Layer |
| IOSVR | Infinite Order Sudden Vib-rotor Approximation |
| EPES | Elastic Peak Electron Spectroscopy |
| EROS | Elaboration Of Reactions For Organic Synthesis |
| PHWR | Pressurized Heavy Water Reactor |
| EDSTAC | Endocrine Disruptor Screening And Testing Advisory Committee |
| IAD | Ion Assisted Deposition |
| GOCO | Government-owned |