| Abbreviation | Definition |
|---|---|
| WPE | Weight Per Epoxide (also called EEW) |
| WPP | Whatman PolyPropylene |
| WPP | Wire Plastic Product |
| WPP | Wireand Plastic Products |
| XLPE | Cross-Linked PolyEthyline |
| XPLE | Cross-Linked Polyethylene |
| YLL | Years of Life Lost |
| ZBZ-50 | Zinc diBenZyldithiocarbamate |
| ZN | Ziegler Natta polymerization catalyst |