The term "crimson tide" has several meanings.

• The sports teams of the University of Alabama
• The term "crimson tide" ( aka red tide) is is also used to describe a particular type of algal bloom common to the Gulf of Mexico, and is also called "red tide". This type of bloom is caused by a species of dinoflagellate known as Karenia brevis, and these blooms occur almost annually along Florida waters. The density of these organisms during a bloom can exceed tens of millions of cells per liter of seawater, and often discolor the water a deep reddish-brown or crimson hue. The most conspicuous effects of crimson tides are the associated wildlife mortalities among marine and coastal species of fish, birds, marine mammals and other organisms. In the case of Florida red tides, these mortalities are caused by exposure to a potent neurotoxin produced naturally by Karenia brevis, called brevetoxin.
• Menstruation slang A woman's monthly menstrual cycle. Name possibly derives from oceanic tides with regards to fluid volume produced, or from crimson as in reference to the colour anger c.f. rag rage.
• Crimson Tide, a 1995 movie which takes place aboard the USS Alabama
• The Crimson Tide, a book in the Fighting Fantasy series written by Paul Mason and illustrated by Terry Oakes.
• The sports teams of Glencoe High School
• The sports teams of Concord High School
• The sports teams of Everett High School

"Crimson Tide" - A cocktail that consists of Vodka and pomegranate juice. The University of Alabama (also known as Alabama, UA or colloquially as Bama) is a public coeducational university located in Tuscaloosa, Alabama, USA. Founded in 1831, UA is the flagship campus of the University of Alabama System. ... A red tide off the coast of La Jolla, California. ... Classes Dinophyceae Noctiluciphyceae Syndiniophyceae The dinoflagellates are a large group of flagellate protists. ... Karenia brevis (formerly known as Gymnodinium breve and Ptychodiscus brevis) is a marine dinoflagellate common in Gulf of Mexico waters, and is the organism responsible for Florida red tide. ... Karenia brevis (formerly known as Gymnodinium breve and Ptychodiscus brevis) is a marine dinoflagellate common in Gulf of Mexico waters, and is the organism responsible for Florida red tide. ... Brevetoxin, or brevetoxins, are a suite of cyclic polyether compounds produced naturally by a species of dinoflagellate known as Karenia brevis. ... Menstrual cycle The menstrual cycle is a recurring cycle of physiological changes that occurs in the females of human beings and other great apes. ... Crimson Tide is a 1995 American submarine film starring Denzel Washington and Gene Hackman, produced by Don Simpson and Jerry Bruckheimer, and directed by Tony Scott. ... Year 1995 (MCMXCV) was a common year starting on Sunday (link will display full 1995 Gregorian calendar). ... Film is a term that encompasses individual motion pictures, the field of film as an art form, and the motion picture industry. ... The Crimson Tide is the 47th Fighting Fantasy gamebook, written by Paul Mason and released in 1992. ... Fighting Fantasy is a series of single-player role-playing gamebooks created by Steve Jackson and Ian Livingstone, originally published by Puffin and now by Wizard Books. ... Paul Mason is the business correspondent on BBC NewsNight. ... To meet Wikipedias quality standards, this article may require cleanup. ... Concord High School is a high school in Concord, New Hampshire in the United States. ... A traditional cocktail. ... Vodka bottling machine, Shatskaya Vodka Shatsk, Russia Vodka is one of the worlds most popular distilled beverages. ... Binomial name L. The Pomegranate (Punica granatum) is a fruit-bearing deciduous shrub or small tree growing to 5–8 m tall. ...

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