spirogyra Hear it!

spirogyra definition

spi·ro·gyra (spī′rō jī′rə)

noun

any of a genus (Spirogyra, family Zygnemataceae) of freshwater green algae containing spiral chlorophyll bands in their cylindrical cells

Etymology: ModL < Gr speira, spire + gyros, a ring: see gyrate

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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