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plumule

[ploom-yool]
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noun
  1. Botany. the bud of the ascending axis of a plant while still in the embryo.
  2. Ornithology. a down feather.

Origin of plumule

1720–30; < New Latin, Latin plūmula. See plume, -ule
Related formsplu·mu·lar [ploom-yuh-ler] /ˈplum yə lər/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for plumule

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British Dictionary definitions for plumule

plumule

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

plumule in Science

plumule

[plōōmyōōl]
  1. The young shoot of a plant embryo, situated above the cotyledons and consisting of the epicotyl and often of immature leaves. See more at germination.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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