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90s Slang You Should Know


[floo-id-i-tee] /fluˈɪd ɪ ti/
the quality or state of being fluid.
  1. the ability of a substance to flow.
  2. a measure of this ability, the reciprocal of the coefficient of viscosity.
    Compare rhe.
Origin of fluidity
First recorded in 1595-1605; fluid + -ity
Related forms
nonfluidity, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for fluidity
Contemporary Examples
Historical Examples
  • Grease and similar substances have facilities of absorption in proportion with their fineness and fluidity.

    Health, Happiness, and Longevity Louis Philippe McCarty
  • The fluidity is increased by starting from a cotton which has been previously mercerised.

  • Living in a warm climate, as they did, there was no means at their command by which its fluidity could be impaired.

  • Its fluidity at the best is very imperfect, and its motion is very slow.

    Rollo in Naples Jacob Abbott
  • But, quite apart from this, nothing but fluidity of judgment can ever lead the man of affairs to success.

    Success (Second Edition) Max Aitken Beaverbrook
  • The absence or the fluidity of parties makes the executive stronger than the legislature both in national and state politics.

British Dictionary definitions for fluidity


the state of being fluid
(physics) the reciprocal of viscosity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for fluidity

c.1600, from French fluidité, from fluide (see fluid (adj.)), or else formed in English from fluid.

Online Etymology Dictionary, © 2010 Douglas Harper
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