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

Keep scrolling for more

Learn More about oidium

Dictionary Entries near oidium

Statistics for oidium

Look-up Popularity

Time Traveler for oidium

The first known use of oidium was in 1888

See more words from the same year

Keep scrolling for more

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

3 plural oidia : arthroconidium