| Acronym | Meaning |
| CACGP | Committee On Atmospheric Chemistry And Global Pollution |
| FCAW | Flux-cored Arc Welding |
| HEWL | Hen Egg White Lysozyme |
| CRQL | Contract Required Quantitation Limit |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| PADRE | Particle Analysis And Data Reduction Program |
| HLAO | High-lying Antibonding Orbital |
| SPIRIT | Single Photon Ionization Resonance Ionization To Threshold |
| CIBO | Council Of Industrial Boiler Owners |
| MCM 41 | Mobil Catalytic Material 41 |