oidium
noun
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
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\ -ē-ə \
: any fungus of the genus Oidium
\
: any fungus of the genus Oidium