• synonyms


[ih-mis-uh-buh l]
  1. not miscible; incapable of being mixed.
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Origin of immiscible

First recorded in 1665–75; im-2 + miscible
Related formsim·mis·ci·bil·i·ty, nounim·mis·ci·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for immiscible

Historical Examples

  • Absorption of gas occurs, but at a certain concentration the solid solution can separate into two immiscible solid solutions.

    The Phase Rule and Its Applications

    Alexander Findlay

  • If the middle portion were horizontal, it would indicate either the formation of a compound or of two immiscible solid solutions.

  • It was like the mixture of two immiscible liquids—oil, for instance, shaken up with water.

    Over Prairie Trails

    Frederick Philip Grove

  • They are unassimilable and immiscible without rapid degeneracy.

British Dictionary definitions for immiscible


  1. (of two or more liquids) incapable of being mixed to form a homogeneous substanceoil and water are immiscible
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Derived Formsimmiscibility, nounimmiscibly, adverb
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

Word Origin and History for immiscible


1670s, from im- + miscible.

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Online Etymology Dictionary, © 2010 Douglas Harper

immiscible in Medicine


  1. Incapable of being mixed or blended, as oil and water.
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Related formsim•mis′ci•bili•ty n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

immiscible in Science


  1. Incapable of being mixed or blended together. Immiscible liquids that are shaken together eventually separate into layers. Oil and water are immiscible. Compare miscible.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.