pneumatization
[ nōō′mə-tĭ-zā′shən ]
n.
The development of air cells or cavities, such as those of the mastoid and ethmoidal bones.
Words nearby pneumatization
pneumatic duct,
pneumatic pile,
pneumatic trough,
pneumatic tyre,
pneumatics,
pneumatization,
pneumato-,
pneumatocardia,
pneumatocele,
pneumatocyst,
pneumatograph