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  • Daphnia
    Daphnia
    noun
    a genus of tiny, freshwater crustaceans having a transparent body, used in biological research and as food for tropical fish.
  • daphnia
    daphnia
    noun
    any water flea of the genus Daphnia, having a rounded body enclosed in a transparent shell and bearing branched swimming antennae

Daphnia

American  
[daf-nee-uh] / ˈdæf ni ə /

noun

  1. a genus of tiny, freshwater crustaceans having a transparent body, used in biological research and as food for tropical fish.


daphnia British  
/ ˈdæfnɪə /

noun

  1. any water flea of the genus Daphnia, having a rounded body enclosed in a transparent shell and bearing branched swimming antennae

"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

Etymology

Origin of Daphnia

1840–50; < New Latin, perhaps after Daphne; see -ia

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.

Scientists and engineers have discovered a method to harness Daphnia to provide a scalable low-cost, low-carbon way of removing pharmaceuticals, pesticides, and industrial chemicals from wastewater.

From Science Daily • Sep. 25, 2023

The Daphnia is also eaten by Kokanee salmon, and if the Daphnia population remains high, the salmon could increase greatly in size, scientists wrote.

From Los Angeles Times • Aug. 1, 2022

Brans also is studying how the microbes that live in Daphnia guts differ between city and countryside.

From Scientific American • Mar. 25, 2022

For the estuary ecosystem, the scientists studied Inland Silverside and mysid shrimp, while in the freshwater ecosystem the scientists studied embryonic zebrafish and the crustacean Daphnia magna.

From Salon • Mar. 3, 2022

Wolfgang Ostwald has produced experimentally, through variation of temperature, dimorphism of form in Daphnia.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)

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