n 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
n a changeable quality
a charming Oriental fluidity of manner demographers try to predict social fluidity
n a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia