capaciousness

English

Etymology

From capacious +‎ -ness.

Noun

capaciousness (usually uncountable, plural capaciousnesses)

1. The quality of being capacious.
   • 1818, George Crabb, English Synonyms Explained, in Alphabetical Order:

     Capacity is the abstract of capax, receiving or apt to hold ; it is therefore applied to the contents of hollow bodies : capaciousness is the abstract of capacious and is therefore applied to the plane surface comprehended within a given space. hence we speak of the capacity of a vessel; and the capaciousness of a room.