[ en-doz-moh-sis, -dos- ]
/ ˌɛn dɒzˈmoʊ sɪs, -dɒs- /


Biology. osmosis toward the inside of a cell or vessel.
Physical Chemistry. the flow of a substance from an area of lesser concentration to one of greater concentration (opposed to exosmosis).

Origin of endosmosis

1830–40; Latinization of now obsolete endosmose < French; see end-, osmosis
Related formsen·dos·mot·ic [en-doz-mot-ik, -dos-] /ˌɛn dɒzˈmɒt ɪk, -dɒs-/, adjectiveen·dos·mot·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endosmosis

British Dictionary definitions for endosmosis


/ (ˌɛndɒsˈməʊsɪs, -dɒz-) /


biology osmosis in which water enters a cell or organism from the surrounding solutionCompare exosmosis
Derived Formsendosmotic (ˌɛndɒsˈmɒtɪk, -dɒz-), adjectiveendosmotically, 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

Medicine definitions for endosmosis


[ ĕn′dŏz-mōsĭs ]


The passage of a fluid inward through a permeable membrane, as of a cell, toward a fluid of higher concentration.
Related formsen′dos•motic (-mŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.