1. Large coarsely spiral bacteria; free-living in fresh or salt water or commensal in bodies of oysters
   - Spirochaetaceae

Type of: bacteria family

Part of: order Spirochaetales, Spirochaetales

• observer's meridian
• observing
• observingly
• obsess
• obsessed
• obsession
• obsessional
• obsessionally
• obsessive
• obsessive-compulsive
• obsessive-compulsive disorder
• obsessive-compulsive personality
• obsessively
• obsessiveness
• obsessivity
• obsidian
• obsolesce
• obsolescence
• obsolescent
• obsolete
• obsoleteness
• obstacle
• obstacle course
• obstacle race
• obstetric