[syn: fluidity, fluidness, liquidity, liquidness, runniness]
The Collaborative International Dictionary of English v.0.48:
Liquidness \Liq"uid*ness\, n.
   The quality or state of being liquid; liquidity; fluency.
   [1913 Webster]
WordNet (r) 3.0 (2006):
liquidness
    n 1: the state in which a substance exhibits a characteristic
         readiness to flow with little or no tendency to disperse
         and relatively high incompressibility [syn: liquid,
         liquidness, liquidity, liquid state]
    2: the property of flowing easily; "adding lead makes the alloy
       easier to cast because the melting point is reduced and the
       fluidity is increased"; "they believe that fluidity increases
       as the water gets warmer" [syn: fluidity, fluidness,
       liquidity, liquidness, runniness]