anabaena
noun
- a freshwater blue-green alga (genus Anabaena), often growing in reservoirs, that may make the water taste or smell fishy
- a mass of such algae
See anabaena in American Heritage Dictionary 4
(ănˌə-bēˈnə)
noun Any of various freshwater algae of the genus Anabaena that sometimes occur in drinking water and cause a bad taste and odor.
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