Fluidity is a quality of being graceful or flowing, like the fluidity of a dancer’s movements.

Things that move with easy, smooth motions have fluidity — think of clouds moving across the sky on a windy day, or the way a modern dancer’s body moves. This adjective can also mean “changeable,” like the fluidity of ideas being exchanged during a high school debate class. As a physical quality, you might also describe the fluidity of any substance that’s fluid, or behaves like a liquid.

Definitions of fluidity
  1. noun

    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”
    fluidness, liquidity, liquidness, runniness
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    type of:


    a consistency of low viscosity

  2. noun

    a changeable quality

    “demographers try to predict social
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    type of:

    changeability, changeableness

    the quality of being changeable; having a marked tendency to change

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