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Definition of: spirogyra
(spī′rə·jī′rə) noun
Any of a genus (Spirogyra) of bright–green, fresh–water algae forming dense masses or beds of growth in slow–running or stagnant water, and characterized by having the chlorophyll bands winding spirally to the right. [<SPIRO-2 + Gk. gyros ring, coil]
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