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algae

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Soon after reopening, however, visitors documented algae blooms, bubbling surfaces and peeling liner, prompting questions about the quality of the work.

From Salon Aug. 1, 2026

The tourist port in the Romanian town of Corabia, on the banks of the Danube river, is deserted except for a few pleasure boats stranded in the algae.

From Barron's Jul. 30, 2026

A spokesperson for Armagh City, Banbridge and Craigavon Borough Council said watersports activities and open-water swimming at Craigavon Lakes were suspended on 21 July due to the presence of blue-green algae.

From BBC Jul. 26, 2026

I stop and pick it up, its shell covered in a toupee of inch-long algae, and deliver it to its intended destination.

From The Wall Street Journal Jul. 26, 2026

A black rim of algae rings the toilet bowl where the water has slipped away.

From "All the Light We Cannot See" by Anthony Doerr

In this study, pyrenoid-associated proteins in a marine chlorarachniophyte alga were identified through a proteomic approach.

From Science Daily Mar. 1, 2024

Blue-green algae is not actually an alga but rather a type of bacteria called cyanobacteria.

From BBC Jul. 10, 2023

In the case of Gracilaria, however, things are more complicated: The female alga doesn’t release its egg cells, but keeps them inside funnel-shaped filaments.

From Science Magazine Jul. 27, 2022

Giant kelp is the common name for Macrocystis pyrifera, a species of alga that grows into lush underwater forests along the coast of the northeastern Pacific Ocean, from Baja California north to southeastern Alaska.

From Scientific American Jul. 21, 2022

She is curious; she wants to know the difference between an alga and a lichen, a Diplodon char- ruanus and a Diplodon delodontus.

From "All the Light We Cannot See" by Anthony Doerr




Vocabulary lists containing algae


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