Definitions for oidiumoʊˈɪd i əm; oʊˈɪd i ə
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Random House Webster's College Dictionary
o•id•i•umoʊˈɪd i əm; oʊˈɪd i ə(n.)(pl.)o•id•i•a
(in certain fungi) a thin-walled spore derived from the fragmentation of a hypha into its component cells.
Category: Fungi
Origin of oidium:
1855–60; < NL < Gk ōi(ón)egg1
o•id′i•oid`(adj.)
Wiktionary
oidium(Noun)
A fragile spore produced by some fungi
oidium(Noun)
A fungus, Uncinula necator , that produces powdery mildew in grapes
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