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vernation

 - 3 dictionary results

ver⋅na⋅tion

  [ver-ney-shuhn]
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–noun Botany.
the arrangement of the foliage leaves within the bud.
Origin:
1785–95; < NL vernātiōn- (s. of vernātiō), equiv. to L vernāt(us) (ptp. of vernāre to be verdant; see vernal, -ate 1 ) + -iōn- -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ver·na·tion   (vər-nā'shən)   
n.  The arrangement of the young leaves within a bud.

[New Latin vērnātiō, vērnātiōn-, from Latin vērnātus, past participle of vērnāre, to flourish, from vērnus, vernal; see vernal.]
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
vernation   (vûr-nā'shən)  Pronunciation Key 
The arrangement of young foliage leaves within a bud. The coiled arrangement of young leaves in fern fiddleheads is known as circinate vernation and protects the delicate leaf tips as they develop.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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