| Acronym | Meaning |
| CPR | Casting Pressing Rolling |
| LSPR | Localized Surface Plasmon Resonance |
| RAIN | Reactions And Intermediates Network |
| PI3K | Phosphatidylinositol 3-kinase |
| FCAW | Flux-cored Arc Welding |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |
| RQDO | Relativistic Quantum Defect Orbital (method In Calcns. Of Oscillator Strengths) |
| VAMO | Variational Alternant Molecular Orbital |
| UHE | Ultra-high Energy |
| CBS | Complete Basis Set |