Dictionaries, Thesauruses, Pictures, and Press Releases
- within-plate basalt
- Wittich (or Wittichius), Paul
- WMO
- Woepcke, Franz
- Wöhler, August
- wolf spiders
- Wolf, Charles Joseph Étienne
- Wolf, Johann Rudolf
- Wolf, Maximilian Franz Joseph Cornelius
- wolf-fish
- Wolfcampian
- Wolffia
- wolfherring
- Wolfowitz, Jacob
- Wolfrom, Melville Lawrence
- Wollaston, Francis
- Woltman, Reinhard
- womb
- Wonokan
- wood blewit