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[mez-uh-fil, mes-, mee-zuh-, -suh-] /ˈmɛz ə fɪl, ˈmɛs-, ˈmi zə-, -sə-/
noun, Botany.
the parenchyma, usually containing chlorophyll, that forms the interior parts of a leaf.
Origin of mesophyll
First recorded in 1830-40; meso- + -phyll
Related forms
mesophyllic, mesophyllous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for mesophyll


the soft chlorophyll-containing tissue of a leaf between the upper and lower layers of epidermis: involved in photosynthesis
Derived Forms
mesophyllic, mesophyllous, adjective
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
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mesophyll in Science
The tissues of a leaf that are located in between the layers of epidermis and carry on photosynthesis, consisting of the palisade layer and the spongy parenchyma. Most mesophyll cells contain chloroplasts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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