English edit

 
A red tide.

Etymology edit

red +‎ tide

Noun edit

red tide (plural red tides)

  1. An algal bloom of sufficient quantity to cause discoloration (often red) in a body of water; red tides can potentially cause irritation or death to exposed creatures.
    1. specifically, one caused by Karenia brevis.

Synonyms edit

Translations edit

See also edit

Further reading edit