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Hydrurus

noun Hy·dru·rus \ hīˈdru̇rəs \
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Definition of Hydrurus

: a genus of colonial plantlike flagellates (order Chrysomonadina) occurring as sticky foul-smelling branched feathery greenish brown tufts in cold flowing water — see hydruraceae

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Origin and Etymology of hydrurus

New Latin, from hydr- + -urus

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