Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
duckweed .
Etymologies
Sorry, no etymologies found.
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Examples
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Some, even help to control pest populations; duckweeds are known to reduce mosquito numbers, which has the added benefit of decreasing the incidence of certain insect-borne diseases.
Macrophytes 2007
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He drew her farther on to a small pool where duckweeds made a greenness on the water.
Madame Bovary 2003
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In the order of aroids, from the calamus-root or sweet flag, with its small but complete flowers, up to the reduced duckweeds (_Lemna_), almost an unbroken line of intermediate steps may be traced showing everywhere the concurrence of progressive and retrogressive evolution.
Species and Varieties, Their Origin by Mutation Hugo de Vries 1891
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He drew her farther on to a small pool where duckweeds made a greenness on the water.
Madame Bovary Gustave Flaubert 1850
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He drew her farther on to a small pool where duckweeds made a greenness on the water.
Madame Bovary A Tale of Provincial Life Gustave Flaubert 1850
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Most of the waterbodies were found covered with duckweeds, an indicator of high metals in the water.
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Pre-culture: Afterwards, duckweeds from the liquid stock-cultures were grown in two glass vessels with 1.8 L of moStM each in the second identical growth chamber for three to four weeks prior to the experiments in order to obtain large numbers of plants.
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Inst. ETH, Stiftung Rübel., or duckweeds - a review of the descriptive and experimental literature.
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The data were analysed in randomised groups of six beakers ( 'pseudo-treatments'), since six replicates for the controls are recommended in guidelines for ecotoxicological tests with duckweeds Furthermore, the variability of two calculation parameters, frond number-related growth rate
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