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saxitoxin

sax·i·tox·in [ sàksi tóksin ]


noun 
Definition:
 
neurotoxin from ocean organism: a strong neurotoxin found in plankton dinoflagellates and concentrating in shellfish, causing food poisoning in humans. It is found in red tides.

[Mid-20th century. < modern Latin Saxodomus, genus of clams]
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