green algae

plural noun

1. any grass-green, chiefly freshwater algae of the phylum Chlorophyta, often growing on wet rocks, damp wood, or on the surface of stagnant water.

green algae

plural noun

1. the algae of the phylum Chlorophyta, which possess the green pigment chlorophyll. The group includes sea lettuce and spirogyra

Word History and Origins

Origin of green algae¹

First recorded in 1900–05

Example Sentences

Now, because bright green algae keeps reappearing every year around this time, Toledo must always be prepared for such outbreaks.

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It could also cause harmful algae to grow out of control, creating wide patches of green algae that can poison other life.

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There’s a faucet on the eastern end of the campground where water from the creek is piped, but upon my arrival, the trough where the water came out was covered in thick green algae.

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These viruses had specialized in infecting green algae in the sea.

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The scientists discovered that a gene from a green algae species that evolved into an early land plant over 500 million years ago restored S-lignin synthesis in the modern plant.

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