cystidium

noun

cys·​tid·​i·​um
siˈstidēəm
plural cystidia
-dēə
or cystidiums
: one of the large inflated and thick-walled cells of the hymenial layer projecting beyond the basidia and paraphyses in certain basidiomycetous fungi

Word History

Etymology

New Latin, from cyst- + -idium

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 cystidium

Cite this Entry

“Cystidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cystidium. Accessed 29 Mar. 2024.

Love words? Need even more definitions?

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