n.
Any of various freshwater algae that form a usually greenish film on the surface of stagnant water.
pond scum
| Dictionary: pond scum |
n.
| Columbia Encyclopedia: pond scum |
pond scum, accumulation of floating green algae on the surface of stagnant or slowly moving waters, such as ponds and reservoirs. One of the commonest forms is Spirogyra.
| WordNet: pond scum |
Note: click on a word meaning below to see its connections and related words.
The noun has one meaning:
Meaning #1:
free-floating freshwater green algae
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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