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midrib

 - 3 dictionary results

mid⋅rib

  [mid-rib]
Use midrib in a Sentence
–noun Botany.
the central or middle rib of a leaf.
Origin:
1690–1700; mid- + rib 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mid·rib   (mĭd'rĭb')   
n.  The central or principal vein of a leaf.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
midrib   (mĭd'rĭb')  Pronunciation Key 
The central or main vein of a leaf, as in eudicots, magnoliids, and ferns. Midribs generally protrude from the underside of leaves with pinnate venation. See more at venation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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