plural noun Bac·il·la·ri·a·ce·ae \ˌbasə̇ˌlerēˈāsēˌē\

Definition of Bacillariaceae

in some especially former classifications

  1. :  a family equivalent to Bacillariophyceae



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Origin and Etymology of bacillariaceae

New Latin, from Bacillaria, type genus (from Medieval Latin bacillus small rod + New Latin -aria) + -aceae — more at bacillus

First Known Use: 1879

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a trip made at another's expense

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