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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.

The algae reside in the structure built by corals, and in return produce nutrients for their host by photosynthesis.

From Barron's • May 22, 2026

If the waters cool quickly enough, the coral can survive on food stores until algae resume residence.

From Barron's • May 22, 2026

These nutrients make "harmful" blue-green algae more likely which can be dangerous to people and animals.

From BBC • May 20, 2026

Scientists studying ancient microfossils from Brazil have discovered that structures once believed to be traces left behind by tiny animals were actually formed by communities of microscopic bacteria and algae.

From Science Daily • May 12, 2026

They passed over cool green pools full of algae and lily pads, the white flash of egrets and the whir of flies and mosquitoes.

From "Ship Breaker" by Paolo Bacigalupi




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