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Definitions

algae

[al-jee] / ˈæl dʒi /
NOUN
rootless, leafless plants living in water
Synonyms


Example Sentences

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The same research group previously identified what may be the oldest known lichen fossil, also discovered in Mato Grosso do Sul and younger than the bacteria and algae described in the current study.

From Science Daily • May 12, 2026

Susie Dai, a researcher at Mizzou, recently created a modified strain of algae designed to capture harmful microplastics from contaminated water.

From Science Daily • May 12, 2026

Extra nutrients lead to the growth of algae, smothering seagrass beds, blocking sunlight and depleting the water of oxygen.

From BBC • May 2, 2026

The Appalachian springsnail is basically a tiny aquatic cow that mows over algae and other organic matter, sucking them up and extracting whatever nutrients it can.

From Slate • Apr. 27, 2026

His wide lips blew a bubble in the algae slick.

From "The Girl Who Drank the Moon" by Kelly Barnhill




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