| Acronym | Meaning |
| IFAS | Integrated Fixed-film Activated Sludge |
| BPSG | Borophosphosilicate Glass |
| CLEIA | Chemiluminescent Enzyme Immunoassay |
| SLI | Starter Light Ignition (lead Batteries) |
| SPES | Step Potential Electrochemical Spectroscopy |
| VCE | Vapor Cloud Explosion |
| NPD | Normal Photoelectron Diffraction |
| AES | Atomic Emission Spectroscopy |
| IDSA | Infectious Diseases Society Of America |
| SPS | Spark Plasma Sintering |