plural noun

: a subclass of Sporozoa comprising protozoans that have complex spores with polar capsules and coiled polar filaments and are single-host parasites of lower vertebrates and invertebrates see actinomyxidia , microsporidia , myxosporidia
adjective or noun

Word History


New Latin, from cnid- + -sporidia

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 Cnidosporidia

Cite this Entry

“Cnidosporidia.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2024.

Love words? Need even more definitions?

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