Adinida

plural noun

Adin·​i·​da ə-ˈdi-nə-də How to pronounce Adinida (audio)
: a group of primitive flagellate protozoans of the order Dinoflagellata having two flagella but lacking a transverse groove
adinidan adjective or noun

Word History

Etymology

New Latin, from a- entry 2 + Greek dinos act of whirling, whirlpool + New Latin -ida

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of Adinida was in 1882

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Cite this Entry

“Adinida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Adinida. Accessed 10 Nov. 2025.

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