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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 provide coral's characteristic colours, and their departure leaves behind a ghostly white structure that is gradually starving.

From Barron's • May 22, 2026

Coral's survival depends on a special relationship with a kind of algae.

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

The largest forms resemble green or red algae, while the smaller fossils may represent algae, cyanobacteria, or sulfur-oxidizing bacteria.

From Science Daily • May 12, 2026

Bacteria, fungi, and algae are the principal agents of decay, reducing plant and animal residues to their component minerals.

From "Silent Spring" by Rachel Carson




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