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Definitions

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.

Although fossils had previously been discovered in eastern Yunnan, they were limited to algae and did not include animal remains.

From Science Daily • Apr. 6, 2026

Some cichlids evolved into predators, while others specialized in feeding on algae, sifting sand, or consuming plankton.

From Science Daily • Apr. 1, 2026

Exxon Mobil scientists told one of the company’s top strategic-planning executives in early 2020 that the algae biofuels program was falling short of its stated goals.

From The Wall Street Journal • Mar. 31, 2026

A week later, Exxon told investors algae could become a more prolific source of biofuel in the near term than agricultural products such as sugarcane and palm.

From The Wall Street Journal • Mar. 31, 2026

Exploring the shore revealed one extraordinary thing: the algae, and therefore the island itself, varied in height and density depending on the weather.

From "Life of Pi" by Yann Martel