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| hy·dril·la [ hī dríllə ] (plural hy·dril·las or hy·dril·la) |
noun |
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| Definition: |
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water plant: a plant that grows underwater in large masses and oxygenates the water. Introduced into the southern United States, it has proliferated to such an extent that in some places it chokes fish and blocks water traffic. Genus Hydrilla.
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| [Early 19th century. < modern Latin, "little hydra" < Latin hydra (see hydra)] |
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