inaudibility

from WordNet (r) 3.0 (2006)

inaudibility
    n 1: the quality of not being perceptible by the ear [syn:
         {inaudibility}, {inaudibleness}] [ant: {audibility},
         {audibleness}]

from The Collaborative International Dictionary of English v.0.48

Inaudibility \In*au`di*bil"i*ty\, n.
   The quality of being inaudible; inaudibleness.
   [1913 Webster]

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