oidium

noun oid·i·um \ ō-ˈi-dē-əm \

Definition of oidium

plural -ia play \ō-ˈi-dē-ə\
1 a :any of a genus (Oidium of the family Moniliaceae) of imperfect fungi many of which are now considered to be conidial stages of various powdery mildews
b :one of the small conidia borne in chains by various fungi (such as an oidium) called also arthrospore
2 :a powdery mildew especially of grapes caused by an oidium

Origin and Etymology of oidium

New Latin, from o- + -idium


Medical Dictionary

oidium

noun oid·ium \ ō-ˈid-ē-əm \

medical Definition of oidium

1 capitalized :a genus of imperfect fungi of the family Moniliaceae including many which are now considered to be conidial stages of various powdery mildews
2 plural oidia play \-ē-ə\ :any fungus of the genus Oidium
3 plural oidia :arthroconidium

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