tonoplast(redirected from tonoplasts)
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The cytoplasmic membrane that surrounds a vacuole of a plant cell. Also called vacuolar membrane.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Botany) botany the membrane enclosing a vacuole in a plant cell
[C20: from Greek tonos tone + -plast]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ton•o•plast(ˈtɒn əˌplæst, ˈtoʊ nə-)
a membrane separating a vacuole from the surrounding cytoplasm in a plant cell.
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