1. Concave on one side and convex on the other with the concavity being greater than the convexity

See also: concave

• Osteoglossidae
• Osteoglossiformes
• osteoid
• osteologer
• osteological
• osteologist
• osteology
• osteolysis
• osteoma
• osteomalacia
• osteomyelitis
• osteopath
• osteopathic
• osteopathist
• osteopathy
• osteopetrosis
• osteophyte
• osteoplasty
• osteoporosis
• osteosarcoma
• osteosclerosis
• osteosclerosis congenita
• osteostracan
• Osteostraci
• osteotomy