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blue-green algae

American  
[bloo-green al-jee] / ˈbluˌgrin ˈæl dʒi /

plural noun

Microbiology.
  1. cyanobacteria.


blue-green algae British  

plural noun

  1. the former name for cyanobacteria

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

In recent years large blooms of potentially toxic blue-green algae in Lough Neagh – caused in large part by long-term pollution – have grabbed the headlines.

From BBC

It follows the confirmation of high levels of blue-green algae.

From BBC

The meeting follows a third summer of blue-green algae blooms, which have covered the lough.

From BBC

It also grows a type of bacteria called Arthospira, also known as blue-green algae, as it shares similar properties with microalgae.

From BBC

Under certain conditions, blue-green algae can become abundant in warm, shallow, undisturbed, nutrient-rich surface waters that receive a lot of sunlight.

From BBC