plural noun Per·o·no·spo·ra·ce·ae \ˌperənōspəˈrāsēˌē\

Definition of Peronosporaceae

  1. :  a family of parasitic fungi (order Peronosporales) in which the conidiophores form outside the epidermis of the host and develop conidia or sporangia singly or in clusters but never in chains — see downy mildew



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Origin and Etymology of peronosporaceae

New Latin Peronospora, type genus + -aceae

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a trip made at another's expense

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