oidium

English dictionary entry

Meanings

noun
  1. A fragile spore produced by some fungi.
  2. The fungus Erysiphe necator (= Uncinula necator), which produces powdery mildew in grapes.

Word forms

oidium oidia

Etymology

From New Latin ōidium, equivalent to Ancient Greek ᾠόν (ōión, “egg”) + -idium.

Related words

oidial oidiomycosis oidiophore
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