Nearby Words
noun Botany.
a rootlike subterranean stem, commonly horizontal in position, that usually produces roots below and sends up shoots progressively from the upper surface.
Origin:
1835–45; < Neo-Latin rhizoma < Greek rhízōma root, stem, noun of result from rhizoûn to fix firmly, take root, derivative of rhíza root1
1835–45; < Neo-Latin rhizoma < Greek rhízōma root, stem, noun of result from rhizoûn to fix firmly, take root, derivative of rhíza root1
Related forms
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Rhizome
is always a great word to know.
So is sporophyte generation. Does it mean:
| phase in plant life which starts with a zygote produced by sexual reproduction |
| ovules which are unenclosed, forming on cones or stalks |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
rhizome
1845, from Gk. rhizoma "mass of tree roots," from rhizoun "cause to strike root," from rhiza "root," probably from PIE *wrad- "branch, root" (cf. L. radix "root," O.N. rot "root," O.E. wyrt "plant, herb;" see radish).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
rhizome  (rī'zōm') Pronunciation Key
(click for larger image in new window) A plant stem that grows horizontally under or along the ground and often sends out roots and shoots. New plants develop from the shoots. Ginger, iris, and violets have rhizomes. Also called rootstock. Compare bulb, corm, runner, tuber. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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