Definition of Orthonectida
: an order or other division of Mesozoa comprising a number of rare parasites of the tissues and cavities of various invertebrates that alternate between an asexual plasmodial generation and a sexual generation resembling the nematogens of dicyemids but having numerous internal cells — compare dicyemida
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.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of orthonectida
New Latin, from orth- + nect- + -ida
Seen and Heard
What made you want to look up Orthonectida? Please tell us where you read or heard it (including the quote, if possible).