Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various small, free-floating, stemless aquatic flowering plants of the genus Lemna and several related genera, growing in dense colonies on the surface of quiet water.
from The Century Dictionary.
- noun Same as
duck-meat .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also
duckmeat .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any of several reduced
floating aquatic plants in the family Lemnaceae.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
Etymologies
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Examples
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This company's workhorse is lemna, also known as duckweed-a tiny, aquatic clonal plant that doubles its biomass every 36 hours-and is skilled at making proteins that mammalian cells struggle, and often fail, to produce.
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Rivers and lakes are filled with small-flowered a kind of duckweed [Lemnaceae] and the lake started to bloom.
Kola~ the Saami community of Lovozero climate change case study 2009
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PetroAlgae is attempting to commercialize an open pond "microcrop" technology (they are working with other small aquatic plants such as duckweed as well as algae.)
SeekingAlpha.com: Home Page Tom Konrad 2010
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A sure sign that water is contaminated is "the parasitic plant known as the lemna gibba or green water lentil" -- it's a kind of duckweed -- "which grows in aquatic environments into which urban runoff is continually discharged.
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Mason netted baby fish (fry), a tadpole, lots and lots of bugs, duckweed, and other things quite fascinating to a six year old.
Day in the Life of an Idiot lyda222 2009
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The pond looks slimy and green with duckweed slithering under the big lily leaves.
wonderful new invention nathreee 2009
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Now the "capture heavy metals" part does worry me, especially if the intent is to use duckweed saturated with heavy metals to feed livestock intended for meat ...
Apollo's Daughter :: April 13th, 2009 apollosdtr 2009
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It's good to touch the green, green duckweed of home.
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Now the "capture heavy metals" part does worry me, especially if the intent is to use duckweed saturated with heavy metals to feed livestock intended for meat ...
Apollo's Daughter :: Could Pond Scum Undo Pollution, Fight Global Warming And Alleviate World Hunger? apollosdtr 2009
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We also have a third pump to move gray water from the underground tank in which it is collected into the greenhab, where it is filtered and processed by duckweed and water hyacinths until it is clean enough to use for flushing the toilet, as mentioned earlier.
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