- Plant Physiology. the normal distention or rigidity of plant cells, resulting from the pressure exerted by the cell contents on the cell walls.
- the state of being swollen or distended.
Origin of turgor
1875–80; < Late Latin, equivalent to Latin turg(ēre) to swell + -or -or1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for turgor
In Mimosa, the responsive movement is brought about by a sudden diminution of turgor in the pulvinus.
Restoration of turgor brings about recovery of the leaf to its normal erect position.
The movements of leaves of sensitive plants are caused by variation of turgor in the pulvinus induced by stimulus.
Turgor may be increased by enhancing the rate of ascent of sap or by an artificial increase of internal hydrostatic pressure.
A diminution of turgor may, on the other hand, be produced by withdrawal of water through plasmolysis.
- the normal rigid state of a cell, caused by pressure of the cell contents against the cell wall or membraneSee also turgor pressure
C19: from Late Latin: a swelling, from Latin turgēre to swell
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 turgor
1876, from Late Latin turgor, from turgere "to swell" (see turgid).
Online Etymology Dictionary, © 2010 Douglas Harper
- The state of being turgid.
- The normal fullness or tension produced by the fluid content of blood vessels, capillaries, and cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The normal fullness or tension produced by the fluid content of blood vessels, capillaries, and plant or animal cells.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.