Definition of red tide in English:

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red tide


A discoloration of seawater caused by a bloom of toxic red dinoflagellates.
Example sentences
  • But 96 were believed to be caused by red tide, a toxic bloom of algae in the water.
  • Commonly known as red tides, harmful algae blooms choke shallow waters and narrow inlets, and kill tens of thousands of fish annually.
  • Scientists studying red tides previously believed that after an algal bloom, high concentrations of brevetoxins didn't last long in the marine environment.

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