n.
Any of various freshwater algae of the genus Anabaena that sometimes occur in drinking water and cause a bad taste and odor.
[New Latin Anabaena, genus name, from Greek anabainein, to go up : ana-, ana- + bainein, to go.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
