| Acronym | Meaning |
| ADAM | A Disintegrin And Metalloprotease Domain |
| PI | Plugging Index |
| WHH | Width At Half Height [in X-ray Diffraction] |
| TEC | Transport Emergency Card |
| WFI | Water For Injection (pharmaceutical Term) |
| SORG | Stratospheric Ozone Review Group |
| STECS | Solar Thermal Electric Conversion Systems |
| SDF | Spin(-unrestricted) Density Functional |
| ISC | Intersystem Crossing |
| VLWIR | Very Long Wavelength IR |