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Any of various one-celled flagellate freshwater green algae of the genus Volvox that form hollow mucilaginous spherical colonies of several hundred cells.
(Microbiology) any freshwater flagellate protozoan of the genus Volvox, occurring in colonies in the form of hollow multicellular spheres
[C18: from New Latin, from Latin volvere to roll]
any colonial freshwater green algae of the genus Volvox, forming a hollow sphere of flagellated cells.
[1790–1800; < New Latin, = Latin volv(ere) to turn, roll + -ōx (as in ferōx)]
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|Noun||1.||Volvox - type genus of the Volvocaceae; minute pale green flagellates occurring in tiny spherical colonies; minute flagella rotate the colony about an axis|
protoctist genus - any genus of Protoctista