plumule
Americannoun
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Botany. the bud of the ascending axis of a plant while still in the embryo.
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Ornithology. a down feather.
noun
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the embryonic shoot of seed-bearing plants
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a down feather of young birds that persists in some adults
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The young shoot of a plant embryo, situated above the cotyledons and consisting of the epicotyl and often of immature leaves.
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See more at germination
Other Word Forms
Etymology
Origin of plumule
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
So it is the stem-portion of the plumule which is at first conspicuous and strong-growing.
From The Elements of Botany For Beginners and For Schools by Gray, Asa
Here is the sweetest longitudinal section of the tentacle of an Actinia, and here—look at these lovely transverse sections of the plumule of a pea; you can see the primary groups of spiral vessels.
From The Bacillus of Beauty A Romance of To-day by Stark, Harriet
The part bearing the tiny leaves was formerly, and is sometimes now, called the plumule, but is generally called the epicotyl, because it grows above or upon the cotyledons.
From The First Book of Farming by Goodrich, Charles Landon
It would appear therefore that the cotyledon answers to a minute leaf rolled up, and that a chink through which the plumule grows out is a part of the inrolled edges.
From The Elements of Botany For Beginners and For Schools by Gray, Asa
Embryo like that of Nymphæa on a large scale; cotyledons thick and fleshy, enclosing a plumule of 1 or 2 well-formed young leaves, enclosed in a delicate stipule-like sheath.
From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.