Definition of pneumatization in English:

pneumatization

(also pneumatisation)

noun

Anatomy Zoology
  • The development or presence of air-filled cavities in bone or other tissue.

Origin

Early 20th century; earliest use found in Scientific Monthly. From ancient Greek πνευματ-, πνεῦμα + -ization, after pneumatized.

Pronunciation

pneumatization

/ˌnjuːmətʌɪˈzeɪʃən/