blue-green algae
Americanplural noun
plural noun
Etymology
Origin of blue-green algae
First recorded in 1895–1900
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.
Last year, scientists in the country announced they had launched successful trials spraying the soil with cyanobacteria, also known as "blue-green algae" -- a method that helps retain moisture and facilitate tree rooting.
From Barron's • Dec. 18, 2025
During the warm months, Lake Erie becomes an ideal setting for cyanobacteria, also known as blue-green algae, to grow rapidly.
From Science Daily • Dec. 2, 2025
Technically known as cyanobacteria, blue-green algae is a collection of microscopic organisms that are naturally present in lakes and streams.
From BBC • Sep. 9, 2025
The blue-green algae, known as cyanobacteria, is a natural part of the ecosystem but can rapidly grow under certain conditions, including warm temperatures and calm water.
From Los Angeles Times • Aug. 29, 2024
Once the photosynthetic cells had appeared, very probably counterparts of today’s blue-green algae, the future respiratory mechanism of the earth was set in place.
From "The Lives of a Cell" by Lewis Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.