red tide

red tide
noun
seawater that is discolored by large numbers of certain dinoflagellates that produce saxitoxin
• Hypernyms: ↑seawater, ↑saltwater, ↑brine

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noun
: seawater discolored by the presence of large numbers of dinoflagellates (especially of the genera Peridinium and Gymnodinium) in a density fatal to many forms of marine life — called also red water

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a brownish-red discoloration of marine waters caused by the presence of enormous numbers of certain microscopic flagellates, esp. the dinoflagellates, that often produce a potent neurotoxin that accumulates in the tissues of shellfish, making them poisonous when eaten by humans and other vertebrates.
[1900-05]

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red tide noun
A bloom of red dinoflagellates which colours the sea, etc red
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Main Entry: ↑red

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red tide,
a reddish discoloration on the surface of seawater produced at times by the sudden clustering together of billions of one-celled organisms that are toxic to fish. Red tide appears in most waters of the tropics and semitropics around Africa, Asia, South America, and California, Texas, Florida and in the Gulf of Mexico. »

Unusually sultry weather plus an abundant rainfall appears to be the reason for Florida's latest red tide (Science News Letter).

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n. a discoloration of seawater caused by a bloom of toxic red dinoflagellates

Useful english dictionary. 2012.

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  • Red tide — is a common name for a phenomenon known as an algal bloom, an event in which estuarine, marine, or fresh water algae accumulate rapidly in the water column, or bloom . These algae, more specifically phytoplankton, are microscopic, single celled… …   Wikipedia

  • Red Tide —   [ red taɪd, englisch], Biologie: Rote Tide …   Universal-Lexikon

  • red tide — n seawater discolored by the presence of large numbers of dinoflagellates esp. of the genera Gonyaulax and Gymnodinium which produce a toxin poisonous esp. to many forms of marine vertebrate life and to humans who consume contaminated shellfish… …   Medical dictionary

  • red tide — red′ tide′ n. mcr a brownish red discoloration of marine waters caused by a huge aggregation of flagellates, esp. dinoflagellates, that often produce a potent neurotoxin that contaminates shellfish • Etymology: 1900–05 …   From formal English to slang

  • red tide — ☆ red tide n. 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 …   English World dictionary

  • red tide — a brownish red discoloration of marine waters caused by the presence of enormous numbers of certain microscopic flagellates, esp. the dinoflagellates, that often produce a potent neurotoxin that accumulates in the tissues of shellfish, making… …   Universalium

  • red tide — n. a menstrual period. (Punning on the name of a tidal phenomenon where the water appears reddish owing to the presence of certain kinds of microscopic creatures.) □ Sorry, she’s down with the red tide and really prefers to stay home …   Dictionary of American slang and colloquial expressions

  • Red Tide (Band) — Red Tide was a heavy metal band founded by Simsbury, Connecticut residents Jeff Wu (guitars/vocals), Jeff Bennett (bass guitar), and Justin Foley (drums)in the early 1990s. Later lineups of the band included Matt Blue Ouelette and Ian Kauffman on …   Wikipedia

  • red tide — /rɛd ˈtaɪd/ (say red tuyd) noun the red bloom of marine algae which produces neurotoxins that kill fish and contaminate shellfish, and which is carried in on the tide …  

  • red tide — a population explosion in marine plankton such as dinoflagellates that is toxic and fatal to fish. The colour of the tide can be red, pink, yellow, green, blue, purple, black or brown. See also brevetoxin …   Dictionary of ichthyology

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