Definition of Erysiphaceae
: a family of fungi (order Erysiphales) comprising the powdery mildews, being parasitic mostly on leaves, and having delicate hyaline superficial mycelium and perithecia with one to several asci and distinctive appendages
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of erysiphaceae
New Latin, from Erysiphe, type genus + -aceae
Seen and Heard
What made you want to look up Erysiphaceae? Please tell us where you read or heard it (including the quote, if possible).