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oidium

[oh-id-ee-uh m]
noun, plural o·id·i·a [oh-id-ee-uh] /oʊˈɪd i ə/. Mycology.
  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.
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Origin of oidium

1855–60; < New Latin < Greek ōi(ón) egg1 (cognate with Latin ovum; see oo-) + -idium -idium
Related formso·id·i·oid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for oidium

Contemporary Examples

Historical Examples

  • In the hall they were discussing another and far worse form of oidium.

    The Patriot

    Antonio Fogazzaro

  • Shortly after the flies had some mouldy cream, the Oidium lactis was found in their fæces.

  • Berg, in 1839–41, showed that thrush is likewise due to a fungus, Oidium albicans.

    The Fundamentals of Bacteriology

    Charles Bradfield Morrey

  • In this ripening there is a prompt development of a heavy viscous slime, which consists of Oidium and bacteria.

    The Book of Cheese

    Charles Thom and Walter Warner Fisk

  • This occurs very rapidly under the attack of Oidium lactis accompanied by bacteria.

    The Book of Cheese

    Charles Thom and Walter Warner Fisk


British Dictionary definitions for oidium

oidium

noun plural -ia (-ɪə)
  1. botany any of various fungal spores produced in the form of a chain by the development of septa in a hypha
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Word Origin

New Latin: from oo- + -idium diminutive suffix
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