runniness

Noun runniness has 1 sense

• runniness(n = noun.attribute) fluidity, fluidness, liquidity, liquidness - 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"
is a kind of thinness
Derived form adjective runny₁