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Definition of daphnia
daphnia
/ˈdæf.ni.ə/
daph · ni · a
Plural:daphnias
daphnia Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
daphnia Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any of various minute freshwater crustaceans of the genus Daphnia, belonging to the order Cladocera, characterized by a transparent shell-like carapace and distinctive jerky swimming movements; commonly known as a water flea.
Example
"During the biology lab, the students were able to observe the beating heart of a daphnia under a light microscope due to its transparent body."
Synonyms
View all synonyms for daphnia• Nearby Words
Word Origin & Etymology
From Modern Latin, named in 1785 by Danish naturalist O.F. Müller after Daphne, a nymph in Greek mythology, appending the taxonomic suffix '-ia'.
Cite this Entry
Wordmom. (2026). Definition of Daphnia. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/daphnia