Dictionary

red tide

noun

Definition of RED TIDE

:  seawater discolored by the presence of large numbers of dinoflagellates (especially of the genera Gonyaulax and Gymnodinium) which produce a toxin poisonous especially to many forms of marine vertebrate life and to humans who consume contaminated shellfish — compare saxitoxin
ADVERTISEMENT

First Known Use of RED TIDE

1904
Medical Dictionary

red tide

noun

Medical Definition of RED TIDE

:  seawater discolored by the presence of large numbers of dinoflagellates especially of the genera Gonyaulax and Gymnodinium which produce a toxin poisonous especially to many forms of marine vertebrate life and to humans who consume contaminated shellfish—see paralytic shellfish poisoning; compare saxitoxin

Browse

Next Word in the Dictionary: red tiercelPrevious Word in the Dictionary: red tickAll Words Near: red tide
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears