Thesaurus.com
Dictionary.com
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.

See Examples For:

Both are small, with cone-shaped shells measuring about 6 mm in length, and they live on limestone rocks where they feed on algae and lichens.

From Science Daily ● Sep. 24, 2026

Think mushroom leather, spider-silk filaments, membranes of algae.

From The Wall Street Journal ● Sep. 19, 2026

Shortly after reopening, the water turned green with algae.

From Salon ● Sep. 12, 2026

This sets off a chemical reaction freeing phosphorus, a primary nutrient for the algae, from the lake floor.

From Los Angeles Times ● Sep. 11, 2026

Evidently the algae covered the shore thickly, for it was all I could find.

From "Life of Pi" by Yann Martel

"More than 80 fish were observed around a single floating alga," said Mr Mazoudier.

From Science Daily ● Jan. 31, 2024

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

From BBC ● Jul. 10, 2023

This is the first recorded example of an alga practicing an aquatic equivalent to pollination.

From Scientific American ● Jul. 28, 2022

Myriam Valero, a population geneticist at CNRS, the French national research agency, has been studying the genetics of the red alga Gracilaria gracilis for many years in the tidepools of Europe.

From Science Magazine ● Jul. 27, 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


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training