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pond scum

Definitions

  • WordNet 3.6
    • n pond scum free-floating freshwater green algae
    • ***

Usage

In literature:

Roy halted next at what appeared a large green pond full of vegetation and in places covered with a thick scum.
"The Man of the Forest" by Zane Grey
The surface of the pond was dotted with patches of scum that had risen from the bottom.
"Nature Near London" by Richard Jefferies
In their reproduction they closely resemble the pond scums.
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
Anybody know of a pond that's got a nice green coating of scum on the top?
"The Boy Scouts of Lenox" by Frank V. Webster
They are too often like the iridescent scum on a stagnant pond, fruit and proof of corruption.
"Expositions of Holy Scripture" by Alexander Maclaren
It being Saturday, the scum of the North Woods was gathering at the Star Pond resort.
"The Flaming Jewel" by Robert W. Chambers
The painting was of a grey-green pond, floored with a thin, weedy scum.
"Non-combatants and Others" by Rose Macaulay
In January the gemmules floating on the surface of the ponds form a regular scum.
"Freshwater Sponges, Hydroids & Polyzoa" by Nelson Annandale
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In news:

State park officials have found pond scum on the waters of Lake Superior, a discovery that might be linked to warmer water temperatures.
Will Pond Scum Save You From Ever-Rising Gas Prices.
Can Pond Scum Save You From $5 Gas.
Pond scum could be powering our future.
Bartilson says Texas has more sunlight than New Jersey, which is essential to turning pond scum into biodiesel fuel.
That floating green stuff atop the neighborhood swamp may not just be " pond scum " anymore.
State park officials have found pond scum on the waters of Lake Superior, a discovery that might be linked to warmer water temperatures.
When Adam Freeman graduated last December from Kennesaw State University in Georgia with a degree in biochemistry, he wanted to work in only one field: pond scum.
It was plain old pond scum.
Pond Scum for a Cleaner Tomorrow.
Oskar Blues' Pond Scum ESB.
I thought I knew about all the beers produced by Oskar Blues Brewery, but I was pleasantly surprised during a recent trip to find a new, experimental brew in the lineup: Pond Scum ESB.
From Pond Scum to Power.
And algae—otherwise known, to some, as pond scum —are grabbing headlines as the next potential biodiesel superstar.
Japan tests pond scum as jet biofuel.
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In science:

There are even some ‘warped’ scenarios in which there is an extra dimension of infinite size : in this case, we are literally the ‘scum of the Universe’, rather like insects skating on the surface of a pond, supported by surface tension.
Physics Beyond the Standard Model
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