Vallisneriaceae

plural noun

Val·​lis·​ne·​ri·​a·​ce·​ae
in some classifications
: a family comprising monocotyledonous aquatic herbs (order Naiadales) that are distinguished by having flowers with the tube of the perianth more or less adnate to the ovary and the carpels united in fruit and that are now usually included in Hydrocharitaceae
vallisneriaceous
¦⸗⸗ˌ⸗⸗¦āshəs
adjective

Word History

Etymology

New Latin Vallisneria, type genus + -aceae

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 Vallisneriaceae

Cite this Entry

“Vallisneriaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Vallisneriaceae. Accessed 28 Nov. 2024.

Love words? Need even more definitions?

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