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Any of various filamentous freshwater green algae of the genus Spirogyra, having chloroplasts in spirally twisted bands.
[New Latin Spīrogȳra, genus name : Latin spīra, coil; see spire2 + Greek gūros, ring.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) any green freshwater multicellular alga of the genus Spirogyra, consisting of minute filaments containing spirally coiled chloroplasts
[C20: from New Latin, from spiro-2 + Greek guros a circle]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
spi•ro•gy•ra(ˌspaɪ rəˈdʒaɪ rə)
n., pl. -ras.
any of various filamentous freshwater green algae of the genus Spirogyra.
[1895–1900; < New Latin, =spiro- spiro- + -gyra, alter. of Greek gŷros circle or gȳrós round]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Any of various freshwater green algae having spiral-shaped bands of chloroplasts.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||spirogyra - freshwater algae consisting of minute filaments containing spiral chlorophyll bands|
chlorophyte, green algae - algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water
genus Spirogyra - a genus of protoctist
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