Oidium

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Oidium \O*["i]d"i*um\, n. [NL., dim. fr. Gr. w,'o`n egg.] (Bot.)
     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 ({O["i]dium
     Tuckeri}), which has caused much injury to grapes.


     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Arthrospore \Ar"thro*spore\, n. [Gr. ? joint + E. spore.]
     (Bacteriol.)
     1. A bacterial resting cell, -- formerly considered a spore,
        but now known to occur even in endosporous bacteria.
        [Webster 1913 Suppl.]
  
     2. one of the small conidia occurring arranged in chains in
        certain fungi. Called also {oidium}.
        [PJC] -- {Ar`thro*spor"ic}, {Ar*thros"po*rous}, a.
        [Webster 1913 Suppl.]