Tubifex definition

to͝obə-fĕks, tyo͝o-
Frequency:
Any of various small slender reddish freshwater worms of the genus Tubifex, often used as food for tropical aquarium fish.
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Any of a genus (Tubifex) of small, reddish, freshwater, oligochaete worms, often living in chimneylike tubes: found esp. in polluted waters and often used as food for aquarium fish.
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Any member of the genus Tubifex of tubificid annelids.
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Other Word Forms

Noun

Singular:
tubifex
Plural:
tubifexes

Origin of tubifex

  • New Latin Tubifex genus name Latin tubus tube Latin -fex maker dhē- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition