• synonyms


[kuh m-pres-uh-bil-i-tee]
noun, plural com·press·i·bil·i·ties for 2.
  1. the quality or state of being compressible.
  2. Physics. the reciprocal of the bulk modulus, equal to the ratio of the fractional change in volume to the stress applied to a body.
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Origin of compressibility

First recorded in 1685–95; compressible + -ity
Related formsnon·com·pres·si·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for compressibility

Historical Examples of compressibility

  • And so for years we went from "A" to "compressibility" on "horseback."

    Tuskegee & Its People: Their Ideals and Achievements


  • Evidence of compressibility of gases and incompressibility of liquids.


    Willis Eugene Tower

  • Compressibility and elasticity are evident properties of air.

  • The same is true of the argument drawn from the compressibility of gases.

  • Compressibility and Expansibility, sometimes mentioned as "properties," are but results of Porosity.

    Dynamic Thought

    William Walker Atkinson

British Dictionary definitions for compressibility


  1. the ability to be compressed
  2. physics the reciprocal of the bulk modulus; the ratio of volume strain to stress at constant temperatureSymbol: k
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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