1. Relating to bone or to the skeleton 
2. Composed of or containing bone
   - osseous, bony

See also: bone

• involuntary muscle
• involuntary trust
• involute
• involuted
• involution
• involutional depression
• involve
• involved
• involvement
• invulnerability
• invulnerable
• inward
• inward-developing
• inward-moving
• inwardly
• inwardness
• inwards
• inweave
• inwrought
• Io
• io moth
• IOC
• iodate
• iodic acid
• iodide