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pond scum - 3 dictionary results
pond scum
–noun
| any free-floating freshwater alga that forms a green scum on water. |
Origin:
1885–90
1885–90

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Cite This Source
| pond scum
n. Any of various freshwater algae that form a usually greenish film on the surface of stagnant water. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
| pond scum | |
noun | |
| free-floating freshwater green algae |
WordNet® 3.0, © 2006 by Princeton University.
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Cite This Source
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