• synonyms


[sahy-tuh-sawl, -sol]
noun Cell Biology.
  1. the water-soluble components of cell cytoplasm, constituting the fluid portion that remains after removal of the organelles and other intracellular structures.
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Origin of cytosol

1965–70; cyto- + sol(ution), on the model of hydrosol, etc.
Related formscy·to·sol·ic [sahy-tuh-sol-ik] /ˌsaɪ təˈsɒl ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cytosol


  1. the solution of proteins and metabolites inside a biological cell, in which the organelles are suspended
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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

cytosol in Medicine


  1. The fluid component of cytoplasm, excluding organelles and the insoluble, usually suspended, cytoplasmic components.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cytosol in Science


[sītə-sôl′, -sŏl′]
  1. The fluid component of cytoplasm, containing the insoluble, suspended cytoplasmic components. In prokaryotes, all chemical reactions take place in the cytosol. In eukaryotes, the cytosol surrounds the organelles.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.