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2017 Word of the Year

oidium

[oh-id-ee-uh m] /oʊˈɪd i əm/
noun, plural oidia
[oh-id-ee-uh] /oʊˈɪd i ə/ (Show IPA).
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.
Origin of oidium
1855-1860
1855-60; < New Latin < Greek ōi(ón) egg1 (cognate with Latin ovum; see oo-) + -idium -idium
Related forms
oidioid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for oidium

oidium

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