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fluidity

American  
[floo-id-i-tee] / fluˈɪd ɪ ti /

noun

  1. the quality or state of being fluid.

  2. Physics.

    1. the ability of a substance to flow.

    2. a measure of this ability, the reciprocal of the coefficient of viscosity.

fluidity British  
/ fluːˈɪdɪtɪ /

noun

  1. the state of being fluid

  2. 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

Other Word Forms

  • nonfluidity noun

Etymology

Origin of fluidity

First recorded in 1595–1605; fluid + -ity

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.