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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.

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

From Science Daily • Apr. 1, 2026

Starting in the late 2000s, the company ran a nearly ubiquitous series of television commercials touting the potential to produce a biofuel from algae that could one day fuel “trucks, buses, boats, cars, even airplanes.”

From The Wall Street Journal • Mar. 31, 2026

The scientists explained to Wojnar that the best strains of algae, when grown in large outdoor ponds, were producing oil at roughly 6% of Exxon’s stated goal.

From The Wall Street Journal • Mar. 31, 2026

The oil giant paid the smaller company $320 million over a decade to tinker with the genetic makeup of algae to try to distill enough oil to make the venture technically viable.

From The Wall Street Journal • Mar. 31, 2026

Nothing distracted the meerkats from their little lives of pond staring and algae nibbling.

From "Life of Pi" by Yann Martel