spirogyra


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spi·ro·gy·ra

 (spī′rə-jī′rə)
n.
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.

spirogyra

(ˌspaɪrəˈdʒaɪərə)
n
(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.

spi·ro·gy·ra

(spī′rə-jī′rə)
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spirogyra - freshwater algae consisting of minute filaments containing spiral chlorophyll bandsspirogyra - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Chang, The biosorption of heavy metals from aqueous solution by Spirogyra and cladophora filamentous macroalgae, Bioresource Technol., 102, 5297 (2011).
In an advisory, the city health office said the algae in the lake were filamentous freshwater green algae, also known as pond scum of the genus Spirogyra. These are not the harmful blue-green algae, which produce cyanotoxins (toxins from photosynthetic bacteria) that can make humans and animals sick.
'When you see patches of spirogyra due to plumbing issues or the water from the flat above you leaks into your apartment, the building also has some problems you have to be wary about,'' the architect said.
Next was the great Onaapowura Odenehu Ontia-Obiara, after him came Sly the Fox, Spirogyra, Goosy-Goosy Gander, and Alladin in that order.
Large filamentous green algae Cladophora (dominant), Spirogyra, Mougeotia, Ulothrix, Chaetophora, Zygnema, etc.
a ([R.sup.2] = 0.56, p < 0.01), compared to suspended sediments ([R.sup.2] = 0.73, p < 0.01) in July, suggesting that the increasing abundance of various phytoplankton species such as spirogyra, diatoms, and cyanobacteria may also be responsible for lower transparency.
Se observo la presencia de fragmentos de alga Spirogyra (Zygnemataceae) entre otras algas no determinadas.
DNA Isolation and RAPD Analysis of Cladophora, Spirogyra, Bryopsis, with focus on Derbesia.