Dictionaries, Thesauruses, Pictures, and Press Releases
- woodworm
- Woolley, Charles Leonard
- woolly bear
- woolly indri
- woolly rhinoceros
- woolsack
- Wordian
- work hardening
- World Climate Programme
- World-Wide Standard Seismograph Network
- worm eel
- Worm, Ole (or Olaus Wormius)
- wormfish
- Woronin body
- Worsaae, Jens Jacob
- Wotton,Edward
- Woulfe, Peter
- wound response
- wound-tumour virus
- wren-thrush