"liquidness" in the noun sense
1. liquid, liquidness, liquidity, liquid state
the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility
2. fluidity, fluidness, liquidity, liquidness, runniness
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"
Source: WordNet® (An amazing lexical database of English)
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