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plumule

[ploom-yool] /ˈplum yul/
noun
1.
Botany. the bud of the ascending axis of a plant while still in the embryo.
2.
Ornithology. a down feather.
Origin
1720-1730
1720-30; < Neo-Latin, Latin plūmula. See plume, -ule
Related forms
plumular
[ploom-yuh-ler] /ˈplum yə lər/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for plumule
  • Germination is hypogeal and the plumule is sensitive to light.
British Dictionary definitions for plumule

plumule

/ˈpluːmjuːl/
noun
1.
the embryonic shoot of seed-bearing plants
2.
a down feather of young birds that persists in some adults
Word Origin
C18: from Late Latin plūmula a little feather
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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plumule in Science
plumule
  (plm'yl)   
The developing bud of a plant embryo, situated above the cotyledons and consisting of the epicotyl and immature leaves. See more at germination.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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