root hair
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root hair
n.
A thin hairlike outgrowth of an epidermal cell of a plant root that absorbs water and minerals from the soil.
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.
root hair
n
(Botany) any of the hollow hairlike outgrowths of the outer cells of a root, just behind the tip, that absorb water and salts from the soil
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
root′ hair`
n.
an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil.
[1855–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
root hair
A hair-like outgrowth of a plant root that absorbs water and minerals from the soil.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun 1. [画像:root hair - thin hairlike outgrowth of an epidermal cell just behind the tip]root hair - thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil
plant organ - a functional and structural unit of a plant or fungus
root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
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