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

Definition of Bacillariaceae

in some especially former classifications
: a family equivalent to Bacillariophyceae

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Other Words from Bacillariaceae

bacillariaceous \ ¦⸗⸗¦⸗⸗¦āshəs \ adjective

First Known Use of Bacillariaceae

1879, in the meaning defined above

History and Etymology for Bacillariaceae

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

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The first known use of Bacillariaceae was in 1879

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