| W021 | WPT | Wireless Power Transfer | Transmission of electrical energy without wires. | Charging smartphones wirelessly. |
| W022 | WR | Wire Rope | Strong cable used in lifting. | Cranes and hoists. |
| W023 | WRD | Word | Unit of language or data. | Text processing. |
| W024 | WRF | Weather Research and Forecasting | Atmospheric simulation model. | Meteorology. |
| W025 | WRF | Water-Resistant Fabric | Fabric that resists water penetration. | Outdoor clothing. |
| W026 | WRM | Wearable Robotic Module | Exoskeleton component. | Physical rehabilitation. |
| W027 | WRS | Wind Resistance System | System to resist wind forces. | Building design. |
| W028 | WRT | With Respect To | Reference phrase in documents. | Technical writing. |
| W029 | WRV | Water Recovery Vessel | Vessel used to collect water. | Environmental cleanup. |
| W030 | WSA | Windows Subsystem for Android | Runs Android apps on Windows. | Software development. |
| W031 | WSC | World Solar Challenge | Solar-powered car race. | Renewable energy. |
| W032 | WSDL | Web Services Description Language | XML for describing web services. | Software integration. |
| W033 | WSE | Windows Speech Recognition Engine | Voice recognition system. | Accessibility tools. |
| W034 | WSN | Wireless Sensor Network | Network of spatially distributed sensors. | Environmental monitoring. |
| W035 | WSS | WebSocket Secure | Secure web communication protocol. | Real-time web apps. |
| W036 | WST | Web Services Toolkit | Tools for building web services. | Software development. |
| W037 | WTB | Way To Build | Construction methodology. | Civil engineering. |
| W038 | WTG | Wind Turbine Generator | Device converting wind to electricity. | Renewable power. |
| W039 | WTI | West Texas Intermediate | Crude oil grade benchmark. | Energy markets. |
| W040 | WTP | Willingness To Pay | Economic measure of value. | Market research. |
| W041 | WTS | Want To Sell | Sales abbreviation. | Commerce. |
| W042 | WTW | Well-To-Wheel | Measure of fuel efficiency. | Automotive engineering. |
| W043 | WTX | Windows Test Executive | Test framework. | Software QA. |
| W044 | WUP | Wake-Up Packet | Network packet to wake devices. | Remote management. |
| W045 | WVR | Waiver | Legal exemption. | Contract management. |
| W046 | WWAN | Wireless Wide Area Network | Mobile broadband network. | Cellular internet. |
| W047 | WWDC | Worldwide Developers Conference | Apple’s developer event. | Software industry. |
| W048 | WWE | World Wrestling Entertainment | Entertainment company. | Sports entertainment. |
| W049 | WWL | Working With Lights | Lighting setups. | Photography. |
| W050 | WWW | World Wide Web | Global information system. | Internet access. |
| W051 | WXC | Weather Cross-Section | Meteorological data view. | Weather analysis. |
| W052 | WYE | Wye Connection | Electrical transformer connection. | Power distribution. |
| W053 | WYSIWYG | What You See Is What You Get | Editing interface showing final output. | Web design. |
| W054 | WZ | Warning Zone | Safety area designation. | Industrial safety. |
| W055 | WAAS | Wide Area Augmentation System | Satellite navigation enhancement. | GPS accuracy. |
| W056 | WAN | Wide Area Network | Large computer network. | Corporate networks. |
| W057 | WAP | Wireless Application Protocol | Mobile communication protocol. | Early mobile internet. |
| W058 | WAS | WebSphere Application Server | IBM application server. | Enterprise computing. |
| W059 | WAV | Waveform Audio File Format | Audio file format. | Music files. |
| W060 | WBC | White Blood Cell | Immune system cells. | Medical diagnostics. |
| W061 | WCS | Warehouse Control System | Manages warehouse operations. | Logistics. |
| W062 | WCU | Work Control Unit | Component for work management. | Manufacturing. |
| W063 | WD | Working Directory | Current directory in file system. | Software development. |
| W064 | WDDM | Windows Display Driver Model | Graphics driver architecture. | Computer graphics. |
| W065 | WDF | Windows Driver Foundation | Framework for device drivers. | OS development. |
| W066 | WDM | Wavelength Division Multiplexing | Fiber optic multiplexing. | Telecom networks. |
| W067 | WDS | Wireless Distribution System | Extends wireless network range. | Wi-Fi networks. |
| W068 | WDT | Watchdog Timer | Timer to reset system on failure. | Embedded systems. |
| W069 | WE | Work Element | Component of work task. | Project management. |
| W070 | WEBA | World Environment Business Assembly | Environmental organization. | Sustainability. |
| W071 | WEBP | Web Picture Format | Image format by Google. | Web graphics. |
| W072 | WEI | Windows Experience Index | Windows performance rating. | PC benchmarking. |
| W073 | WER | Windows Error Reporting | System error report service. | OS diagnostics. |
| W074 | WES | Windows Embedded Standard | OS for embedded systems. | Industrial devices. |
| W075 | WET | Western European Time | Time zone. | Timekeeping. |
| W076 | WF | Workflow | Automated process. | Business process management. |
| W077 | WFA | Wi-Fi Alliance | Organization for Wi-Fi standards. | Wireless networking. |
| W078 | WFS | Workflow System | Software for workflows. | Business management. |
| W079 | WFT | Working Face Technology | Mining tech for working face. | Mining industry. |
| W080 | WG | Working Group | Committee for standards. | Standards development. |
| W081 | WH | Watt-Hour | Energy measurement unit. | Electricity billing. |
| W082 | WHO | World Health Organization | UN health agency. | Public health. |
| W083 | WIFI | Wireless Fidelity | Wireless networking technology. | Internet access. |
| W084 | WIKI | Wiki Website | Collaborative web platform. | Wikipedia. |
| W085 | WIM | Weigh-In-Motion | Vehicle weight measurement. | Transport enforcement. |
| W086 | WIMP | Windows, Icons, Menus, Pointer | GUI design model. | Operating systems. |
| W087 | WINS | Windows Internet Name Service | Network name resolution service. | Microsoft networks. |
| W088 | WIP | Work In Progress | Ongoing work or production. | Manufacturing. |
| W089 | WIR | Work Item Record | Document tracking work. | Project management. |
| W090 | WISC | Wechsler Intelligence Scale for Children | IQ test for children. | Psychology. |
| W091 | WISP | Wireless Internet Service Provider | Wireless broadband provider. | Internet services. |
| W092 | WITA | Waktu Indonesia Tengah | Central Indonesian Time zone. | Time zones. |
| W093 | WLAN | Wireless Local Area Network | Wireless network for small areas. | Wi-Fi networks. |
| W094 | WLED | White Light Emitting Diode | LED emitting white light. | Lighting. |
| W095 | WMA | Windows Media Audio | Audio codec by Microsoft. | Music streaming. |
| W096 | WMS | Warehouse Management System | Software for warehouse operations. | Logistics. |
| W097 | WML | Wireless Markup Language | Mobile web page language. | Early mobile web. |
| W098 | WMS | Web Map Service | Standard for serving maps over the internet. | GIS applications. |
| W099 | WMO | World Meteorological Organization | UN weather agency. | Climate research. |
| W100 | WMS | Workflow Management System | Software managing workflows. | Business processes. |
| W101 | WMS | Warehouse Management System | Software for inventory control. | Supply chain. |
| W102 | WMT | Web Map Tile | Map data format. | GIS systems. |
| W103 | WMS | Web Map Service | Standard web map service. | Geographic information systems. |
| W104 | WMS | Windows Media Services | Streaming media server. | Video streaming. |
| W105 | WNF | Windows Notification Facility | System notification service. | OS alerts. |
| W106 | WNS | Windows Notification Service | Push notification system. | Mobile apps. |
| W107 | WOA | Windows on ARM | Windows OS for ARM processors. | Mobile devices. |
| W108 | WOL | Wake-on-LAN | Network signal to wake computers. | Remote management. |
| W109 | WPF | Windows Presentation Foundation | UI framework for Windows. | Desktop applications. |
| W110 | WPS | Wi-Fi Protected Setup | Easy wireless security setup. | Home Wi-Fi. |
| W111 | WQA | Water Quality Association | Water treatment industry group. | Environmental standards. |
| W112 | WRF | Weather Research and Forecasting | Atmospheric model. | Meteorology. |
| W113 | WSA | Windows Subsystem for Android | Runs Android apps on Windows. | Software development. |
| W114 | WSC | World Solar Challenge | Solar car race event. | Renewable energy. |
| W115 | WSDL | Web Services Description Language | XML format for web services. | Software integration. |
| W116 | WSN | Wireless Sensor Network | Network of spatial sensors. | Environmental monitoring. |
| W117 | WSS | WebSocket Secure | Secure communication protocol. | Real-time web apps. |
| W118 | WST | Web Services Toolkit | Tools for web service development. | Software dev. |
| W119 | WTB | Way To Build | Construction method. | Civil engineering. |
| W120 | WTG | Wind Turbine Generator | Device converting wind to electricity. | Renewable energy. |
| W121 | WTI | West Texas Intermediate | Oil benchmark. | Energy markets. |
| W122 | WTP | Willingness To Pay | Economic value measure. | Market research. |
| W123 | WTS | Want To Sell | Sales term. | Commerce. |
| W124 | WTW | Well-To-Wheel | Fuel efficiency measure. | Automotive. |
| W125 | WTX | Windows Test Executive | Test framework. | Software QA. |
| W126 | WUP | Wake-Up Packet | Network wake signal. | Remote management. |
| W127 | WVR | Waiver | Legal exemption. | Contracts. |
| W128 | WWAN | Wireless Wide Area Network | Mobile broadband. | Cellular networks. |
| W129 | WWDC | Worldwide Developers Conference | Apple’s developer event. | Software industry. |
| W130 | WWE | World Wrestling Entertainment | Sports entertainment company. | Entertainment. |
| W131 | WWL | Working With Lights | Lighting setup. | Photography. |
| W132 | WWW | World Wide Web | Global information system. | Internet access. |
| W133 | WXC | Weather Cross-Section | Meteorological data view. | Weather analysis. |
| W134 | WYE | Wye Connection | Transformer connection. | Power systems. |
| W135 | WYSIWYG | What You See Is What You Get | Visual editor concept. | Web design. |
| W136 | WZ | Warning Zone | Safety area. | Industrial safety. |
| W137 | WAF | Web Application Firewall | Security device for web apps. | Cybersecurity. |
| W138 | WFH | Work From Home | Remote work practice. | Modern workplace. |
| W139 | WIFI | Wireless Fidelity | Wireless internet technology. | Home and office networks. |
| W140 | WIKI | Collaborative website platform. | Wikipedia. | |
| W141 | WIMP | Windows, Icons, Menus, Pointer | GUI paradigm. | OS interfaces. |
| W142 | WINS | Windows Internet Name Service | Network name resolution. | Microsoft networks. |
| W143 | WISC | Wechsler Intelligence Scale for Children | Child IQ test. | Psychology. |
| W144 | WISP | Wireless Internet Service Provider | Provides wireless internet. | ISP companies. |
| W145 | WITA | Waktu Indonesia Tengah | Central Indonesian Time zone. | Timekeeping. |
| W146 | WLAN | Wireless Local Area Network | Wi-Fi network. | Local connectivity. |
| W147 | WLED | White Light Emitting Diode | LED emitting white light. | Lighting applications. |
| W148 | WMA | Windows Media Audio | Audio codec. | Digital music. |
| W149 | WMS | Warehouse Management System | Logistics software. | Inventory management. |
| W150 | WML | Wireless Markup Language | Mobile web language. | Early mobile web. |
| W151 | WMS | Web Map Service | Online map service. | GIS. |
| W152 | WMO | World Meteorological Organization | Weather organization. | Climate research. |
| W153 | WMS | Workflow Management System | Business process software. | Enterprise management. |
| W154 | WMT | Web Map Tile | GIS data format. | Map applications. |
| W155 | WMS | Windows Media Services | Media streaming server. | Video delivery. |
| W156 | WNF | Windows Notification Facility | OS notifications. | User alerts. |
| W157 | WNS | Windows Notification Service | Push notifications. | Mobile apps. |
| W158 | WOA | Windows on ARM | Windows for ARM processors. | Mobile computing. |
| W159 | WOL | Wake-on-LAN | Remote wake-up signal. | IT management. |
| W160 | WPF | Windows Presentation Foundation | UI framework. | Desktop apps. |
| W161 | WPS | Wi-Fi Protected Setup | Easy Wi-Fi security setup. | Home networking. |
| W162 | WQA | Water Quality Association | Water treatment standards. | Environmental safety. |
| W163 | WRF | Weather Research and Forecasting | Meteorological model. | Weather prediction. |
| W164 | WSA | Windows Subsystem for Android | Run Android apps on Windows. | Software compatibility. |
| W165 | WSC | World Solar Challenge | Solar car race. | Renewable energy. |
| W166 | WSDL | Web Services Description Language | Describes web services. | Software integration. |
| W167 | WSN | Wireless Sensor Network | Network of sensors. | Environmental data. |
| W168 | WSS | WebSocket Secure | Secure web communication. | Real-time apps. |
| W169 | WST | Web Services Toolkit | Development tools for web services. | Software dev. |
| W170 | WTB | Way To Build | Construction methodology. | Civil engineering. |
| W171 | WTG | Wind Turbine Generator | Converts wind to electricity. | Green energy. |
| W172 | WTI | West Texas Intermediate | Oil price benchmark. | Energy markets. |
| W173 | WTP | Willingness To Pay | Economic valuation. | Market analysis. |
| W174 | WTS | Want To Sell | Sales term. | Commerce. |
| W175 | WTW | Well-To-Wheel | Fuel efficiency measure. | Automotive. |
| W176 | WTX | Windows Test Executive | Testing framework. | Software QA. |
| W177 | WUP | Wake-Up Packet | Network wake signal. | Remote device management. |
| W178 | WVR | Waiver | Legal exemption. | Contracts. |
| W179 | WWAN | Wireless Wide Area Network | Mobile broadband. | Cellular networks. |
| W180 | WWDC | Worldwide Developers Conference | Apple’s developer event. | Software industry. |
| W181 | WWE | World Wrestling Entertainment | Sports entertainment company. | Entertainment. |
| W182 | WWL | Working With Lights | Lighting setup. | Photography. |
| W183 | WWW | World Wide Web | Global information system. | Internet access. |
| W184 | WXC | Weather Cross-Section | Meteorological data visualization. | Weather forecasting. |
| W185 | WYE | Wye Connection | Transformer wiring configuration. | Electrical power systems. |
| W186 | WYSIWYG | What You See Is What You Get | Visual content editing. | Web design tools. |
| W187 | WZ | Warning Zone | Safety area designation. | Industrial safety. |
| W188 | WAF | Web Application Firewall | Security for web apps. | Cybersecurity. |
| W189 | WFH | Work From Home | Remote work practice. | Modern workplaces. |
| W190 | WIFI | Wireless Fidelity | Wireless networking standard. | Home and office networks. |
| W191 | WIKI | Collaborative website. | Wikipedia. | |
| W192 | WIMP | Windows, Icons, Menus, Pointer | GUI design model. | Operating systems. |
| W193 | WINS | Windows Internet Name Service | Network name resolution. | Microsoft networks. |
| W194 | WISC | Wechsler Intelligence Scale for Children | Child intelligence test. | Psychology. |
| W195 | WISP | Wireless Internet Service Provider | Wireless broadband provider. | Internet access. |
| W196 | WITA | Waktu Indonesia Tengah | Central Indonesian Time zone. | Timekeeping. |
| W197 | WLAN | Wireless Local Area Network | Wi-Fi network. | Local wireless networks. |
| W198 | WLED | White Light Emitting Diode | White LED lighting. | Illumination. |
| W199 | WMA | Windows Media Audio | Audio codec format. | Digital music. |
| W200 | WMS | Warehouse Management System | Logistics and inventory software. | Supply chain management. |