red tide Hear it!

red tide definition

☆ red tide

a reddish discoloration of sea waters, caused by large numbers of red dinoflagellates (esp. genera Gymnodinium and Gonyaulax) that kill fish and other organisms by releasing poisonous products

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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