Usually means: Tiny aquatic crustacean, filter feeder.
Definitions Related words Mentions
We found 19 dictionaries that define the word water flea:

General (16 matching dictionaries)
  1. water flea: Merriam-Webster
  2. water flea: Oxford Learner's Dictionaries
  3. water flea: American Heritage Dictionary of the English Language
  4. water flea: Collins English Dictionary
  5. water flea: Vocabulary.com
  6. water flea: Wordnik
  7. water flea: Wiktionary
  8. water flea: Infoplease Dictionary
  9. water flea: Dictionary.com
  10. Water flea: Wikipedia, the Free Encyclopedia
  11. Water flea: Online Plain Text English Dictionary
  12. water flea: Rhymezone
  13. Water flea: AllWords.com Multi-Lingual Dictionary
  14. water flea: FreeDictionary.org
  15. water flea: Mnemonic Dictionary
  16. water flea: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. water flea: Encyclopedia

Medicine (2 matching dictionaries)
  1. online medical dictionary (No longer online)
  2. water flea: Medical dictionary

(Note: See water_fleas as well.)

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Definitions from Wiktionary (water flea)

▸ noun:  Any of various aquatic crustacea of the order Diplostraca, characterised by their jumping or jerky mode of swimming.

Similar:
daphnia, cyclops, waterflea, sand flea, beach flea, polyphemid, daphniid, fishlouse, daphnid, beachflea, more...

Opposite:
land flea, terrestrial flea

▸ Words similar to water flea

▸ Usage examples for water flea

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▸ Words that often appear near water flea

▸ Rhymes of water flea

▸ Invented words related to water flea

Similar:
daphnia, cyclops, waterflea, sand flea, beach flea, polyphemid, daphniid, fishlouse, daphnid, beachflea, more...

Opposite:
land flea, terrestrial flea



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