A discoloration of seawater caused by a bloom of toxic red dinoflagellates.
More 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.
Definition of red tide in:
- The British & World English dictionary