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blue-green algae

plural noun, Biology
a widely distributed group of predominantly photosynthetic prokaryotic organisms of the subkingdom Cyanophyta, resembling phototrophic bacteria, occurring singly or in colonies in diverse habitats: some species can fix atmospheric nitrogen.
Also called cyanobacteria.
Origin of blue-green algae
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for blue-green algae
  • Runoff can also help create a fertile environment for cyanobacteria, also called blue-green algae.
  • The answer is tiny organisms known as cyanobacteria, or blue-green algae.
  • Who will give away such a precious blue-green algae also known as green gold.
  • But they might well have been photosynthetic blue-green algae.
  • The creatures which dared to arise are called cyanobacteria, or blue-green algae.
  • However there is a problem with cyanobacteria or, to use its devil-spawn name, blue-green algae.
  • The new hordes of blue-green algae deplete the oxygen and are a less favorable food supply.
  • These used to be called blue-green algae, and they produce the oxygen that all animals breathe.
  • Many of the fossils closely resemble species of blue-green algae found all over the world today.
  • Hot weather has spurred blue-green algae blooms in some waters.
British Dictionary definitions for blue-green algae

blue-green algae

plural noun
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
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