compressibility

from WordNet (r) 3.0 (2006)

compressibility
    n 1: the property of being able to occupy less space [syn:
         {compressibility}, {squeezability}, {sponginess}] [ant:
         {incompressibility}]

from The Collaborative International Dictionary of English v.0.48

Compressibility \Com*press`i*bil"i*ty\, n. [Cf. F.
   compressibilit['e].]
   The quality of being compressible of being compressible; as,
   the compressibility of elastic fluids.
   [1913 Webster]

[email protected]