Peronosporaceae

plural noun
Per·​o·​no·​spo·​ra·​ce·​ae | \ ˌperənōspəˈrāsēˌē \

Definition of Peronosporaceae

: a family of parasitic fungi (order Peronosporales) in which the conidiophores form outside the epidermis of the host and develop conidia or sporangia singly or in clusters but never in chains — see downy mildew

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Peronosporaceae

peronosporaceous \ ¦⸗⸗⸗⸗¦rāshəs \ adjective

History and Etymology for Peronosporaceae

New Latin Peronospora, type genus + -aceae

Keep scrolling for more

Learn More about Peronosporaceae

Statistics for Peronosporaceae

Cite this Entry

“Peronosporaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Peronosporaceae. Accessed 17 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on Peronosporaceae

What made you want to look up Peronosporaceae? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!