plural noun
Ac·​ni·​do·​spo·​rid·​ia | \ ak-¦nī-də-spō-ˈri-dē-ə \

Definition of Acnidosporidia

: a subclass of Sporozoa comprising a number of forms of questionable relationship including the orders Sarcosporidia and Haplosporidia all having simple spores formed in a manner unlike that of the Telosporidia

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 Acnidosporidia

acnidosporidian \ ak-​¦nī-​də-​spō-​ˈri-​dē-​ən \ adjective or noun

History and Etymology for Acnidosporidia

New Latin, from a- entry 2 + cnid- (from Greek knidē nettle) + -sporidia

Keep scrolling for more

Learn More about Acnidosporidia

Statistics for Acnidosporidia

Cite this Entry

“Acnidosporidia.” Dictionary, Merriam-Webster, Accessed 24 Oct. 2020.

Comments on Acnidosporidia

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


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
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!