Oomycetes

plural noun

Oo·​my·​ce·​tes

¦ōəˌmī¦sētēz

: a subclass of parasitic of saprophytic fungi (class Phycomycetes) that includes water molds, white rusts, and downy mildews and that is distinguished from the Zygomycetes by having the gametangia usually differentiated into antheridia and oogonia and by producing oospores as a result of the sexual process

oomycetous

-təs

adjective

Word History

Etymology

New Latin, from o- + -mycetes

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