hop mildew


Definition of hop mildew

1 : either of two parasitic fungi attacking the hop:
a : a powdery mildew (Sphaerotheca humuli)
b : a downy mildew (Peronoplasmopara humuli)
2 : disease of hops caused by a hop 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!

Learn More about hop mildew

Statistics for hop mildew

Cite this Entry

“Hop mildew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hop%20mildew. Accessed 13 Aug. 2020.

Comments on hop mildew

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


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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