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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; -ia

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.