pneumaticity

English

Etymology

From pneumatic +‎ -ity.

Noun

pneumaticity (usually uncountable, plural pneumaticities)

1. (biology) The state of being pneumatic, or of having a cavity or cavities filled with air.

   the pneumaticity of the bones of birds

References

• “pneumaticity”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.