plural noun
Zos·​ter·​a·​ce·​ae | \ ˌzästəˈrāsēˌē\

Definition of Zosteraceae

in some classifications
: a family of widely distributed marine or aquatic herbs (order Naiadales) that is nearly or exactly equivalent to Potamogetonaceae

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History and Etymology for Zosteraceae

New Latin, from Zostera + -aceae

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to speak slightingly about or to degrade

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