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oid·i·um | \ ō-ˈi-dē-əm 
\
\ plural oidia\ ō-ˈi-dē-ə \
\Definition of oidium
1a : 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
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More Definitions for oidium
oidium
nounoid·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\ -ē-ə \ : any fungus of the genus Oidium
\ : any fungus of the genus OidiumComments on oidium
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Time Traveler for oidium
The first known use of oidium was in 1888
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