gymnodinium

[ jim-nuh-din-ee-uhm ]

/ ˌdʒɪm nəˈdɪn i əm /

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noun, plural gym·no·din·i·a

[jim-nuh-din-ee-uh]. /ˌdʒɪm nəˈdɪn i ə/.

any marine or freshwater dinoflagellate of the genus Gymnodinium, certain species of which cause red tide.

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Origin of gymnodinium

<New Latin, equivalent to gymno-gymno- + Greek dī́n(ein) to whirl + New Latin -ium-ium