Definition of red algae in English:

red algae

Syllabification: red al·gae


  • A large group of algae that includes many seaweeds that are mainly red in color. Some kinds yield useful products (agar, alginates) or are used as food (laver, dulse, carrageen).
    • Division Rhodophyta (or phylum Rhodophyta, kingdom Protista)
    More example sentences
    • Other red algae known as dulse have been pinpointed as rich sources of protein and iron, although dulse may not be easily digested.
    • There are more than 5200 species of rhodophytes, and although some rhodophytes do inhabit fresh water, red algae are most common in tropical marine environments.
    • The predicted increase in the rate of coral reef calcification is most likely due to an enhancement in coral metabolism and/or increases in photosynthetic rates of red algae, according to the scientists.

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a slit made by cutting with a saw