- one of the conidia that are borne in chains by certain fungi.
- (in certain fungi) a thin-walled spore derived from the fragmentation of a hypha into its component cells.
Origin of oidium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- botany any of various fungal spores produced in the form of a chain by the development of septa in a hypha
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