| Acronym | Meaning |
| VE-PPP | Variable Electronegativity PPP |
| NCPM | Noncritical Phase-matching |
| AFVC | Absorption Freeze Vapor Compression |
| HMC | Human Mast Cell |
| ARXPD | Angle Resolved X-ray Photoelectron Diffraction |
| DDRP | Direct Delayed Response Program (for Long Term Effects Of Acid Rain) |
| RAS | Routine Analytical Services |
| BCIRA | British Cast Iron Research Association |
| SDY | Spin Drawn Yarn |
| TTI | Time-temperature Integrator |