| Acronym | Meaning |
| IGAC | International Global Atmospheric Chemistry |
| IRED | IR Emitting Diode |
| NITM | Normalized Irreducible Tensorial Matrix |
| HBSS | Hanks' Balanced Salt Solution |
| CCDTL | Coupled-cavity Drift-tube Linac |
| IODE | International Oceanographic Data/Information Exchange (IOC) |
| SCC-DVM | Self-consistent-charge-discrete-variational Method |
| SPF | Superplastic Forming |
| IASH | International Association On The Stability And Handling Of Liquid Fuels |
| SIRS | Systemic Inflammatory Response Syndrome |