plural noun

: a family of ascomycetous fungi (order Hysteriales) that is often considered to be derived from the family Sphaeriaceae from which it is distinguished chiefly by the form and method of opening of the ascomata of its members

Word History


New Latin, from Hysterium, type genus (from Greek hystera womb + New Latin -ium) + -aceae

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!

Dictionary Entries Near Hysteriaceae

Cite this Entry

“Hysteriaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hysteriaceae. Accessed 27 May. 2024.

Love words? Need even more definitions?

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