1. Depending on free oxygen or air
   - aerobic, aerophilous

See also: aerobiotic, oxidative

• walnut family
• walnut oil
• walnut tree
• Walpole
• Walpurgis Night
• walrus
• walrus moustache
• walrus mustache
• Walt Disney
• Walt Disney World
• Walt Whitman
• Walt Whitman Bridge
• Walter
• Walter de la Mare
• Walter Elias Disney
• Walter Gropius
• Walter Hess
• Walter John de la Mare
• Walter Lippmann
• Walter Mitty
• Walter Piston
• Walter Ralegh
• Walter Raleigh
• Walter Reed
• Walter Rudolf Hess