| W3C | Word Wide Web Consortium |
| WAP | Wireless Application Protocol |
| WCDMA | Wideband Code Division Multiplexing |
| WD | Watchdog |
| WEF | World Economic Forum |
| WEZ | Westeuropäische Zeit |
| WHSC | Worldwide Harmonized Steady state Cycle |
| WiC | Wire-in-Composite-Technik |
| WLAN | Wireless Local Area Network |
| WS | Work Station |
| WWW | World Wide Web |
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