hypocotyl(redirected from hypocotylous)
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bean seed germinating
The part of a plant embryo or seedling plant that is between the cotyledons and the radicle or root.
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) the part of an embryo plant between the cotyledons and the radicle
[C19: from hypo- + cotyl(edon)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
hy•po•cot•yl(ˌhaɪ pəˈkɒt l)
the seedling stem that develops below the cotyledons in the plant embryo.
[1875–80; hypo- + cotyl (edon)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.