Definition of dinoflagellate
: any of an order (Dinoflagellata) of chiefly marine planktonic usually solitary unicellular phytoflagellates that include luminescent forms, forms important in marine food chains, and forms causing red tide
Origin of dinoflagellate
ultimately from Greek dinos rotation, eddy + New Latin flagellum
First Known Use: 1889
Medical Definition of dinoflagellate
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