plural noun Pro·to·coccaceae \¦prōt(ˌ)ō+\

Definition of Protococcaceae

  1. :  a family of unicellular green algae that is coextensive with the genus Protococcus and is now usually placed in the order Ulotrichales but is sometimes isolated in a separate order or especially formerly included in Chlorococcales or Chaetophorales

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Origin and Etymology of protococcaceae

New Latin, from Protococcus, type genus + -aceae

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a trip made at another's expense

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