peridinial

adjective

see peridinian I

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peridinial, a. Zool.

(pɛrɪˈdɪnɪəl)

[f. mod. Zool. L. Peridīnium, f. Gr. περιδῑνής whirled round, περιδῑνεῖν to whirl round.]

Belonging or related to the genus Peridinium (wreath-animalcules), or family Peridiniidæ of infusorians.