China
Africa
- Window functions
- Window insulation
- Windows 10
- Windows 8
- Windows 95
- Windows API
- Windows CE
- Windows Embedded
- Windows Media Player
- Windows Server 2003
- Windows Server 2008
- Windows Server 2012
- Windows Subsystem for Linux
- Windows Vista
- Windrow composting
- Windshield washer fluid
- Windsim
- Windstopper
- Windsurfing
- Wing
- Wing fences
- Wing loading
- Wing tip
- Wing twist
- Wing walls
- Wing warping
- Wingbox
- Winglets
- Wingsail
- Wingspan
- Wingtip vortices
- Winkler titration
- Winner-take-all
- Wire
- Wire bonding
- Wire brush
- Wire drawing
- Wire gauge
- Wire rope
- Wire saw
- Wire strippers
- Wire wrap
- Wire-frame models
- Wired communication
- Wireframes
- Wireless
- Wireless access point
- Wireless ad hoc networks
- Wireless broadband
- Wireless charging
- Wireless mesh networks
- Wireless networks
- Wireless power transfer
- Wireless router
- Wireless security
- Wireless sensor networks
- Wireless telegraphy
- WirelessHART
- Wireline
- Wireshark
- Wiring diagrams
- Wisconsin glaciation
- Wishful thinking
- Withaferin a
- Withdrawal reflex
- Witherite
- Witnesses
- Wittenoom
- Wittig reaction
- Wizard
- Wnt
- Wnt signaling pathway
- Wobbe Index
- Wobble base pair
- Wodginite
- Wolfe conditions
- Wolff's Law
- Wolfram Alpha
- Wolframite
- Wollastonite
- Womersley number
- Wood
- Wood ash
- Wood fiber
- Wood fibre
- Wood fuel
- Wood gas
- Wood industry
- Wood pellets
- Wood preservation
- Wood-decay fungus
- Wood-plastic composite
- Woodchips
- Wooden boxes
- Woodhouseite
- Woodworking
- Woofer
- Wool insulation
- Wootz steel
- Word embedding
- Word error rate
- Word sense
- Word-sense disambiguation
- Word-sense induction
- Word2vec
- WordNet
- WordPress
- Work function
- Work hardening
- Work loop
- Work of breathing
- Work output
- Work sampling
- Work system
- Work-related musculoskeletal disorders
- Work-up
- Worked examples
- Workflow
- Workflow Management Coalition
- Workflow engine
- Workflow management system
- Working capital
- Working directory
- Working electrode
- Working fluid
- Working level
- Working memory
- Working memory training
- Working range
- Working set
- Workmanship
- Workover
- Workpiece
- Workplace
- Workshop
- Workspace
- World Forum for Harmonization of Vehicle Regulations
- World Geodetic System
- World Happiness Report
- World Soundscape Project
- World Water Forum
- World Wide Web
- World lines
- Worldview
- Worldwide Harmonised Light Vehicles Test Procedure
- Worm gear
- Wormholes
- Worms
- Worst case
- Worst-case complexity