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oidium

American  
[oh-id-ee-uhm] / oʊˈɪd i əm /

noun

Mycology.

plural

oidia
  1. one of the conidia that are borne in chains by certain fungi.

  2. (in certain fungi) a thin-walled spore derived from the fragmentation of a hypha into its component cells.


oidium British  
/ əʊˈɪdɪəm /

noun

  1. botany any of various fungal spores produced in the form of a chain by the development of septa in a hypha

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • oidioid adjective

Etymology

Origin of oidium

1855–60; < New Latin < Greek ōi ( ón ) egg 1 (cognate with Latin ovum; oo- ) + -idium -idium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Oidium and mildew rot were considered real risks, and there were also concerns about the number of wasps.

From Time

Laycock sees it in the bacilli and spores of oidium albicans; Wilks, however, found the same parasite in other affections.

From Project Gutenberg

The belief held by many, and which seemed very plausible, was that the microbes, instead of sustaining a causative relation to the maladies in which they occur, were the result of these maladies—that they sprang into existence in consequence of the vitiated state of the blood and tissues, just as fungi appear on decaying substances or as the Oidium albicans appears in certain morbid conditions of the buccal surface and secretions.

From Project Gutenberg

Oidium, ō-id′i-um, n. a genus of parasitic fungi, including the vine-mildew, &c.

From Project Gutenberg

That on the leaves is probably the Oidium Tuckeri, and it is generally supposed that the mildew and rot of the berries is owing to the same cause.

From Project Gutenberg