Definition of diffusibility in US English:

diffusibility

noun

  • The property of being diffusible; the ability to diffuse or spread.

Origin

Mid 18th century; earliest use found in John Hill (bap. 1714, d. 1775), physician and actor. From diffusible + -ity: see -bility.

Pronunciation

diffusibility

/dɪˌfjuːzɪˈbɪlɪti/