plasmolysis

[ plaz-mol-uh-sis ]
/ plæzˈmɒl ə sɪs /

noun Botany.

contraction of the protoplasm in a living cell when water is removed by exosmosis.

Origin of plasmolysis

First recorded in 1880–85; plasmo- + -lysis

Related forms

plas·mo·lyt·ic [plaz-muh-lit-ik] /ˌplæz məˈlɪt ɪk/, adjectiveplas·mo·lyt·i·cal·ly, adverb
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Examples from the Web for plasmolysis

British Dictionary definitions for plasmolysis

plasmolysis

/ (plæzˈmɒlɪsɪs) /

noun

the shrinkage of protoplasm away from the cell walls that occurs as a result of excessive water loss, esp in plant cellsSee exosmosis

Derived Forms

plasmolytic (ˌplæzməˈlɪtɪk), adjectiveplasmolytically, 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 plasmolysis

plasmolysis

[ plăz-mŏlĭ-sĭs ]

n. pl. plas•mol•y•ses (-sēz′)

Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis.

Related forms

plas′mo•lytic (plăz′mə-lĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for plasmolysis

plasmolysis

[ plăz-mŏlĭ-sĭs ]

Plural plasmolyses (plăz-mŏlĭ-sēz′)

Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis. It results in loss of turgor and, in plants, wilting of the stems and leaves. If too severe, it can be fatal to the cell.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.