Definition of Oidium
1. a type of fungus [n OIDIA] : OIDIOID [adj] - See also: fungus
Medical Definition of Oidium
1.
A genus of minute fungi which form a floccose mass of filaments on decaying fruit, etc. Many forms once referred to this genus are now believed to be temporary conditions of fungi of other genera, among them the vine mildew (Oidium Tuckeri), which has caused much injury to grapes.
Origin: NL, dim. Fr. Gr. Egg.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Oidium
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