plural noun

Definition of Tilletiaceae

: a family of smuts (order Ustilaginales) that is distinguished from the Ustilaginaceae by the simple promycelium bearing the spores in an apical cluster and that includes numerous genera some of which (as Tilletia and Urocystis) contain economically important parasites of cultivated plants — compare ustilago

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 Tilletiaceae

tilletiaceous \ ⸗¦⸗⸗¦āshəs \ adjective

History and Etymology for Tilletiaceae

New Latin, from Tilletia, type genus + -aceae

Keep scrolling for more

Learn More about Tilletiaceae

Statistics for Tilletiaceae

Cite this Entry

“Tilletiaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tilletiaceae. Accessed 29 Sep. 2020.

Comments on Tilletiaceae

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


Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!