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| tu·bi·fex [ tbə fèks ] (plural tu·bi·fex·es or tu·bi·fex) |
noun |
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| Definition: |
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small freshwater worm: a thin reddish freshwater worm that builds a tube-shaped shelter in the sand of riverbeds and is used as food for aquarium fish. Genus Tubifex.
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| [Mid-20th century. < modern Latin< Latin tubus "tube" + -fex "maker"] |
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