plural noun
Pyth·i·a·ce·ae | \ˌpithēˈāsēˌē\

Definition of Pythiaceae 

: a family of fungi (order Peronosporales) having sporangia usually borne successively and singly at the tips of branching sporangiophores which differ little if any from assimilative hyphae — see phytophthora, pythium

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Other Words from Pythiaceae

pythiaceous \¦⸗⸗¦āshəs \ adjective

History and Etymology for Pythiaceae

New Latin, from Pythium, type genus + -aceae

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