plural noun Bac·il·la·ri·e·ae \-ˈēˌē\

Definition of Bacillarieae

in some classifications

  1. :  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

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Origin and Etymology of bacillarieae

New Latin, from Bacillaria + -eae

First Known Use: circa 1890

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to criticize severely

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