oidium

noun

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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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“Oidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oidium. Accessed 19 Aug. 2022.

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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

3 plural oidia : arthroconidium