[ sahy-tuh-sawl, -sol ]
/ ˈsaɪ təˌsɔl, -ˌsɒl /

noun Cell Biology.

the water-soluble components of cell cytoplasm, constituting the fluid portion that remains after removal of the organelles and other intracellular structures.

Origin of cytosol

1965–70; cyto- + sol(ution), on the model of hydrosol, etc.

Related forms

cy·to·sol·ic [sahy-tuh-sol-ik] /ˌsaɪ təˈsɒl ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cytosol


/ (ˈsaɪtəʊˌsɒl) /


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

Medicine definitions for cytosol


[ sītə-sôl′ ]


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

Science definitions for cytosol


[ sītə-sôl′, -sŏl′ ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.