red tide
nounEtymology From red + tide.
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.
2
specifically, one caused by Karenia brevis.
- Synonyms
- crimson tide
- Related terms
- Alexandrium fundyense, Alexandrium monilatum, Gonyaulax, Karenia, Gymnodinium, Dinophysis, Noctiluca, Chattonella, Ceratium, Amoebophyre, Alexandrium, Cochlodinium