Dictionary
Thesaurus
Encyclopedia
Translator
Web
 
Help
Related Searches
Nearby Words

oidium

 - 4 dictionary results

o⋅id⋅i⋅um

  [oh-id-ee-uhm]
Use oidium in a Sentence
–noun, plural o⋅id⋅i⋅a  [oh-id-ee-uh] . 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:
1855–60; < NL < Gk ōi(ón) egg (c. L ovum; see oo- ) + -idium -idium

Related forms:
o⋅id⋅i⋅oid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To oidium
o·id·i·um   (ō-ĭd'ē-əm)   
n.   pl. o·id·i·a (-ē-ə)
A thin-walled spore produced by fragmentation in certain filamentous fungi.

[New Latin Ōidium, fungus genus, from Greek ōion, egg; see oo-.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: oid·ium
Pronunciation: O-'id-E-&m
Function: noun
1 capitalized : a genus of imperfect fungi of the family Moniliaceaeincluding many which are now considered to be conidial stages of various powdery mildews
2 plural oid·ia /-E-&/ : any fungus of the genusOidium
3 plural oidia : ARTHROCONIDIUM
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Encyclopedia

oidium

in fungi (kingdom Fungi), a single-celled asexual spore (arthrospore) produced by fragmentation of fungal filaments (hyphae) in lower fungi; the asexual stage of Erysiphaceae (powdery mildew fungi); or, in Basidiomycota, both an asexual spore (microconidium) and a male cell (spermatium).

Learn more about oidium with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Search another word or see oidium on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way