blue-green alga

noun

plural blue-green algae also blue-green algas

Examples of blue-green alga in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The algae partner can be either a green alga or a blue-green alga, known as cyanobacteria. Howard Garrett, Dallas News, 17 June 2020

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of blue-green alga was in 1880

Dictionary Entries Near blue-green alga

Cite this Entry

“Blue-green alga.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue-green%20alga. Accessed 5 Nov. 2024.

Kids Definition

blue-green alga

noun
ˌblü-ˌgrēn-
: any of a major group of microorganisms that typically live in water and undergo photosynthesis and that are now usually classified as bacteria or sometimes as plants

called also cyanobacterium

Medical Definition

blue-green alga

noun
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