Bacillarieae

plural noun

Bac·​il·​la·​ri·​e·​ae

-ˈēˌē

in some classifications

: a group of algae comprising the diatoms and usually regarded as a distinct class but sometimes especially formerly treated as a subclass and included in the Zygophyceae

Word History

Etymology

New Latin, from Bacillaria + -eae

First Known Use

circa 1890, in the meaning defined above

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